A side of Ari’s aquarium is a square with an area of 190 square inches. The number of inches of each side of between these two whole numbers —
What is 13 and 14
A store’s records showed that during a one-month period, 3 gallons of milk were sold for every 2 boxes of cereal sold. If 2,864 boxes of cereal were sold that month, this is the number of gallons of milk that were sold?
What is 4,296 gal
A random survey of 75 eighth graders at Cedar Middle School showed that 37 of them do volunteer work. This is the approximate number of students who do volunteer work out of the 500 eighth graders at the school.
What is 247 ?
Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. Write an equation can be used to find x, the length of the call in minutes?
What is 0.55x + 1.25 = 8.40
Caroline used the following formula to determine t, the sales tax on p, the dollar amount of a customer’s total purchase at the candle shop where Caroline works. t = 0.0825p A customer bought a box of red candles for $15 and 2 scented candles for $20 each. This is the sales tax on the customer’s purchase (rounded to the nearest cent)?
What is $4.54
A school committee conducted a survey to find out whether teachers would prefer to start the school day 30 minutes later. Only teachers with children in preschool were surveyed. This is the reason why the results of this survey might NOT be a valid representation of what all the teachers at the school would prefer?
What is "The survey was not conducted using a random sample of teachers."
Fred pays the same amount of property tax each month. His total property tax for the year is $1,545. This is his monthly tax payment in dollars and cents?
What is $128.75
Lucy reads 450 words in 3 minutes. Write an equation that can be used to find w, the number of words Lucy can read in 20 minutes if she continues to read at the same rate.
What is w = (450/3)*20
A hydrogen molecule is 1.5x10¯¹º meters in length. This is that number in standard notation?
What is 0.00000000015