Sarah colored 1/2 of some birthday cards, and Rana colored 3/8 of them. If there are 32 cards in all, how many are left to be colored?

4 cards are left to be colored.

Step-by-step explanation:

As per given,

Fraction of total cards colored =

Fraction of cards left to be colored =

Total cards = 32

Number of cards to be colored =

Hence, 4 cards are left to be colored.

answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10