Akarate studio charges $35 for the first course and $22.50 for each course after that, even if the student leaves the course early. cena paid $170 for her son to take courses. how many courses did he take?

He took 7 courses

Step-by-step explanation:

Subtract money spent $170 by cost of first class $35 = $135

Divide by cost of each following class $135 ÷ 22.50 = 6 more classes in addition to the first one.

10

step-by-step explanation:

7+3=10

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!