last month Stephanie spent $57 on 4 allergy shots and 1 office visit. This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company. How much does an office visit cost an allergy shot?

Question

Mathematics

William Hunt

8 May, 19:02

last month Stephanie spent $57 on 4 allergy shots and 1 office visit. This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company. How much does an office visit cost an allergy shot?

+2

Answers (1)

Know the Answer?

Abbey · Answer 1

Visit $25 allergy shot $8

4a + 1v = 57

-2a + 1v = 9

I will multiply the second by - 1 to cancel v variable (elimination method)

4a + 1v = 57

2a - 1v = - 9

add both

6a. = 48

a = 8

4a = 32

32 + v = 57

v = 25

32+25 = 57

-16 + 25=9