During the past year, Mrs. Singh purchased 37 books at a wholesale club store. She purchased softcover books for $5.50 each and

Question

2 years ago

10

hardcover books for $13.50 each. The total cost of the books was $355.50 . How many of each type of book did she purchase?

1 answer:

ozzi · Answer 1 · 2022-04-06T19:34:29+03:00

ozzi2 years ago

5 0

Answer:

x+y=37-------(1)

5.5x+13.5y=355.5-----(2)

Put x=37-y in eqn 2

5.5(37-y)+13.5y=355.5

203.5-5.5y+13.5y=355.5

8y=152

y=19

x=18

Step-by-step explanation: