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by BlastRoom
Turn a two-condition situation into a system of two linear equations and solve it.
#us_grade_8_math
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A shop sells notebooks and pens. Four notebooks and three pens cost $18. Two notebooks and five pens cost $16. What is the price of one notebook and one pen?
At a school fair, three muffins and two juices cost $21. Five muffins and four juices cost $37. How much does one muffin cost, and how much does one juice cost?
A garden center sells shrubs and bulbs. Two shrubs and five bulbs cost $44. Four shrubs and three bulbs cost $60. Find the cost of one shrub and one bulb.
A hardware store sells hooks and clamps. Three hooks and four clamps cost $29. Five hooks and two clamps cost $25. What does one hook cost, and what does one clamp cost?
A team orders shirts and caps. Two shirts and three caps cost $54. Four shirts and one cap cost $58. What is the price of a single shirt and of a single cap?
A bakery sells rolls and loaves. Five rolls and two loaves cost $20. Three rolls and four loaves cost $26. How much is one roll, and how much is one loaf?
A cinema sold 180 tickets and took $1,740. An adult ticket costs $12 and a child ticket costs $7. Let a be adult tickets and c child tickets. Which system models this?
A rectangular plot is 24 m longer than it is wide, and its perimeter is 108 m. Let l be the length and w the width, in meters. Which system models the plot?
Mia worked 18 hours across two jobs last week and earned $186. Tutoring pays $14 an hour, dog walking $8. Let t and d be the hours at each. Which system fits?
A pen holds only chickens and rabbits. There are 26 animals and 68 legs in it. Let c be the number of chickens and r the number of rabbits. Which system models the pen?
Owen has $80 saved and adds $15 each week. Nadia has $200 saved and adds $5 each week. Let d be dollars saved and w the number of weeks. Which system models their savings?
Ravi has $100 saved and adds $6 each week. Elena has $40 saved and adds $10 each week. After how many weeks will the two savings amounts be equal?
From one depot, Bus A is already 20 km along and travels at 50 km/h. Bus B is 80 km along and travels at 30 km/h. How many hours until they are level?
Two candles are lit together. One is 30 cm tall, burning 2 cm an hour. The other is 18 cm tall, burning 1 cm an hour. After how many hours are the candles equal?
Gym A charges an $80 joining fee plus $30 a month. Gym B charges a $200 joining fee plus $10 a month. After how many months is the total cost the same?
One tank holds 480 liters and loses 20 liters a minute. Another holds 180 liters and gains 10 liters a minute. After how many minutes do the tanks hold the same amount?
A jar holds only 10-cent and 25-cent coins. There are 40 coins in it, worth $7.75 altogether. How many 25-cent coins are in the jar?
A concert sold 300 tickets and took $5,040. A standing ticket costs $12 and a seated ticket costs $20. How many seated tickets were sold?
A field holds only ducks and goats. The farmer counts 34 animals and 96 legs. How many goats are in the field?
A school buys 60 pens and notebooks altogether, spending $230. A pen costs $3 and a notebook costs $5. How many notebooks did the school buy?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Rigid or Non-Rigid Motion
40 questions
