Solving word problems

WRITE AN EQUATION
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?

• 4x=472
• 9x=472
• 4+9x=472
• 4+x=472

Maria has 25 dollars.  She has to buy a gallon of milk which costs $3.50.  She wants to spend the rest of her money on cereal.  If each box of cereal costs $4.50, how many can she purchase?

• 4 boxes
• 5 boxes
• 6 boxes
• 7 boxes

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63
• 7x = 63
• 7x - 35 = 63
• 35x + 7 = 63

472 students are going on a field trip.  120 students will be returning home and the rest will be spending the night in cabins. If a cabin sleeps 8 people, how many cabins need to be rented?

• 4 cabins
• 44 cabins
• 59 cabins
• 74 cabins

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she spends $35 in all.

• .50x + 20 = 35
• .50x = 35
• .50 + 20x = 35 
• .50x - 20 = 35

A teacher bought 12 packets of crayons. Seven of the packets had 9 crayons and the other five packets had 10 crayons How many crayons did the teacher buy in all?

• 113
• 50
• 63
• 120

 Erika sold half of her comic books and then bought sixteen more. She now has 36. How many did she begin with?

• 36
• 40
• 20
• 10

Yo-yos cost $4 each. Eric buys 3 yo-yos. He pays with a $20 bill. How much money does Eric get back in change?

• 8

• 12

• 4

George read two books. The first book had x pages. The second book had 4 times as many pages. What would the expression be for the amount of pages in the 2nd book?

• 4
• x + 4
• x = 4
• 4x

Maya had 10 stamps. She bought 10 more and gave 5 to her brother. Which equation can be used to find the number of stamps, n, Maya had left?

• 10 ÷ 5 = n
• 10 - 5 = n
• 20 ÷ 5 = n
• 20 - 5 = n