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by BlastRoom
Turn a written constraint into a two-step inequality and describe its solution set.
#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 freight elevator can carry a load of at most 360 kg. An operator weighing 78 kg rides with b boxes of 20 kg each. Which inequality describes the loads it can carry?
A taxi charges a $3.50 base fare plus $1.25 per kilometer. Priya can spend no more than $20 on a ride of k kilometers. Which inequality models her ride?
A club has raised $140 and sells wristbands for $6 each. It needs at least $500 in total. Which inequality shows the numbers of wristbands w that reach the goal?
A phone plan costs $18 per month plus $0.12 for each minute. Ravi wants his monthly bill to stay under $30. Which inequality describes the numbers of minutes m he can use?
A tank holds 250 liters of water and drains at 15 liters per minute. At least 100 liters must remain after t minutes. Which inequality describes the possible values of t?
A plumber charges a $45 service call fee plus $38 for each hour of work. Mr. Osei can pay at most $250 for h hours. Which inequality models the bills he can pay?
A delivery van can carry at most 900 kg. The driver and equipment weigh 145 kg, and each crate weighs 62 kg. What is the greatest whole number of crates it can carry?
A school orders T-shirts: a $25 shipping fee plus $9 per shirt. The school can spend at most $100. What is the greatest whole number of shirts it can order?
Mia has 48 points and earns 6 points for each task she finishes. She needs at least 95 points. What is the least whole number of tasks she must finish?
Diego has saved $73 and adds $14 each week. He needs at least $250 for a bicycle. What is the least whole number of weeks he must keep saving?
A parking garage charges an $8 entry fee plus $3.25 for each hour parked. Nadia has $30 to spend. What is the greatest whole number of hours she can park?
A sign at a ride reads: you must be at least 122 cm tall to ride. Which inequality describes the heights h, in centimeters, that are allowed on the ride?
A notice in an elevator reads: maximum 8 passengers. Which inequality describes the numbers of passengers p that the notice allows?
A museum charges the child rate to visitors under 13 years old. Which inequality describes the ages a, in years, that get the child rate?
A bridge sign reads: vehicles heavier than 3.5 metric tons must use the bypass. Which inequality describes the masses m, in metric tons, of vehicles sent to the bypass?
A road sign gives a speed limit of at most 90 kilometers per hour. Which inequality describes the speeds s, in kilometers per hour, that obey the limit?
A gym charges a $30 joining fee plus $22 each month. Lena wants to spend under $200 in total, and writes 22m + 30 > 200. What is wrong with her inequality?
A truck can carry at most 2500 kg. The driver weighs 80 kg and each barrel weighs 55 kg. Kofi writes 55b + 80 < 2500. What is wrong with his inequality?
A ferry charges $14 for each bicycle plus a $9 boarding fee. Sara can spend at most $80, and writes . What is wrong with her inequality?
A club can spend at most $500 on jerseys: a $46 setup fee plus $28 each. Ravi solves and answers 17 jerseys. What is his error?
Crack the passcode before the zombies get in.
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40 questions
