Answer:so multiply 12*2=24 and 24*5=120 Is your answer .
Step-by-step explanation:
Answer:
22
Step-by-step explanation:
We are given the expression:—

When n = 5, substitute/change n to 5:—

Evaluate:—

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<u>Summary</u>
<u>Substitution</u>
Changing or replacing from a term to another terms/expression is called substitution.
Examples:—
If we are given the expression
and we want to find the value when y = 4, simply replace y-term to 4.

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If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!
Answer:
She pays $2.5 per pound
Step-by-step explanation:
U = -b + 21 . . . (1)
u = -2b + 30 . . . (2)
Equating (1) and (2),
-b + 21 = -2b + 30
-b + 2b = 30 - 21
b = 9
u = -9 + 21 = 12
Therefore, (b, u) = (9, 12).
Answer is <span>C.c + 3m
</span><span>m = price of mints
c = price of candy,
</span>
cause 1 pound of candy and 3 pounds of mints cost $5.35<span>
</span>