1. Mrs. Smith wants to give the same number of candies to several children.
When she gives each child 3 pieces, there is a shortage of 7 candies.
When she gives each child 2 pieces, there are 14 candies left.
How many children are there?

2.
Joseph wants to share his gumballs with his friends.
If he gives each friend 4 gumballs, there are 12 gumballs left.
If he gives each friend 6 gumballs, there is a shortage of 4 gumballs.
How many friends are there?

Dr. cooper just started an experiment. he will collect data for 8 days. how many hours is this

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?