3 years ago

Renee is wanting to join a gym.

1 answer:

7 0

Pumping iron: 10x+90=0
Fit for life: 15x+50=0

Set them equal to each other. 10x+90=15x+50. Solve for x. Subtract 50 from both sides, get 10x+40=15x, then subtract 10x from both sides, getting 40=5x. Divide 5 from both sides to isolate x, x=8. After 8 months the two gyms will cost the same.

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Sally is selling two types of seashells by the seashore. She is selling large and small shells. She sells small shells for 2 dol

Ostrovityanka [42]

Answer:

The answer is A

Step-by-step explanation:

If you plug in the numbers it looks like this:

(A) 5(2) + 10(5) = 60

(B) 10(2) + 5(5) = 45

(D) 8(2) + 7(5)

so a is the only one that equals 60

4 0