Jenny has 10 batteries. she needs more for a school project. batteries are sold in packages of 4.if jenny buys 16 packages of batteries, how many batteries will jenny now have for the school project?

74

Step-by-step explanation:

Multiply 16 (packs of batteries) by 4 (amount in each package) to get 64,

⇒ 6 * 4 = 24; 10 * 4 = 40; 24 + 40 = 64

then add 10 (batteries she had before buying more).

64 + 10 = 74.

Now Jenny has 74 batteries for her school project.

step-by-step explanation:

problem:

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

f(5/2) = 10/3

i hope this !