Sam bought a soft drink for 3 dollars and 6 candy bars. He spent a total of 21 dollars. How much did each candy bar cost?
d= 8 dollars
-2k + 5 = 17
What is -6 ?
Joan had 203 dollars to spend on 6 books. After
buying them she had 17 dollars. How much did each book cost? Write an equation to show this.
6d + 17 = 203
or
203 - 6d = 17
y/-8 + 11 = 13
What is -16 ?
On Monday, 479 students went on a trip to the zoo. All 8 buses were filled and 7 students had to travel in cars. How many students were in each bus?
s = 59 students
-6k - 5 = 43
What is -8 ?
z/-6 - 14 = 3
What is -102 ?
Juan runs 6 miles this month. He plans to run 2.5 miles a day from now on. How many days will it take him to run a total of 41 miles?
d = 14 days
-12s + 27 = 171
What is -12 ?
Nancy sold half of her comic books and then bought 7 more. She now has 14. How many did she begin with?
c = 14 comic books