Abookstore had 60 copies of a magazine. yesterday, it sold 1/4 of them. today, it sold 2/5 of what remained. how many copies does the bookstore have left?

step-by-step explanation:

i need to answer questions so i dont know but i think its the first one because it goes up but a consent rate

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!

3; 9 is 8 to -4

step-by-step explanation:

d

step-by-step explanation:

i used the pitagoras theoreme