Zach spent 55 hours in 2 weeks working on a science project. He worked 32 hours the first week. Write and solve an addition equation to find the amount of time he spent working the second week.
What is 32+w=55, w=23
300
During a test flight, Jerry's rocket reached a height of 18 yards. This was 7 yards less than the height of Devon's rocket. Write and solve to find the height of Devon's rocket.
What is d-7=18, d=25
300
A grocery store is selling 6 cans of cat food for $3. Write and solve a multiplication equation to find the cost of a can of cat food.
What is 6c=3, c=.50
300
Ali was paid $75 for mowing a neighbors yard. This is one fourth of the amount she earned all summer. How much did Ali earn this summer?
What is e/4=75, e=300
300
22+10p=92
What is p=7
400
Keith has $250 in his account. This is $75 more than his brother Nathan has in his account. Write and solve an addition equation to find the amount of money in Nathan's account.
What is N + 75=250, n=175
400
For two days in a row, Winston rescued tadpoles from a puddle. He rescued 54 on Friday. This is 17 less than he rescued Saturday. How many tadpoles did he rescue Saturday?
What is t - 17=54, t=71
400
Earline has put $250 into her savings account. To do this, she made 10 deposits of the same amount. Write and solve to find the amount of each deposit.
What is 10d=250, d=25
400
The width of a swimming pool is one third of its length. The width of the pool is 15 feet. What is the length of the pool?
What is g/3=15, g=45
400
Cameron made $50 working at a golf course. He made $10 cleaning golf balls, and then he worked as a caddy for 2 hours. Use 10+2c=50.
What is c=20
500
A harlequin beetle lays eggs in trees. She can lay up to 20 eggs in 2 to 3 days. After the first day, the beetle has laid 9 eggs. Find the number of eggs she will lay during the second and third day. Write an equation.
What is 9+e=20, e=11
500
The petrified Forest National Park in Arizona recently expanded their boundaries by 93,533 acres. The orinal acreage was 125,000. Write and solve to find the new acreage.
What is a-125,000=93,533, a = 218,533
500
The Russian ice breaker Yamal can move forward through 2.3 meter thick ice at a speed of 5.5 kilometers per hour. Solve to find the number of hours it will take to travel 82.5 kilometers through the ice.
What is 5.5x=82.5, x = 15
500
Dr. Andy has a piece of Roma pottery that is 954 years old. This is one third the age of his Grecian pottery. How old is his Grecian pottery?
What is a/3=954, a=2,862
500
Research chows that a new battery will last for 36hours. This is 2 more hours than twice the amount of time that the old battery lasted. Solve the equation to find out how long the old battery lasted.