Question

A taxi charges $2.00 plus $0.25 for every 1/5 of a mile. How many miles can you go if you have $12.

Melinda's first two test grades in Psychology were 87 and 94. What does she need to make on the third test to maintain an average of at last 90?

Answer 1

zadanie 1

----- $0.25

1 ----- $1.25

12$ - 2$ = 10$

10$ : 1.25$ = 8

 

Answer: I can go 8 miles if I have 12$.

 

zadanie 2

= 90

= 90 / *3

181 + x = 270

x = 89

 

Answer: She need to make 89.