QuestionAugust 24, 2025

Evaluate the following expression. 3c+5b when b=5 and c=15 3c+5b= square (Simplify your answer.)

Evaluate the following expression. 3c+5b when b=5 and c=15 3c+5b= square (Simplify your answer.)
Evaluate the following expression.
3c+5b when b=5 and c=15
3c+5b= square  (Simplify your answer.)

Solution
4.7(265 votes)

Answer

70 Explanation 1. Substitute values Replace b with 5 and c with 15 in the expression 3c + 5b. 2. Calculate 3c 3 \times 15 = 45 3. Calculate 5b 5 \times 5 = 25 4. Add results 45 + 25 = 70

Explanation

1. Substitute values<br /> Replace $b$ with 5 and $c$ with 15 in the expression $3c + 5b$.<br />2. Calculate $3c$<br /> $3 \times 15 = 45$<br />3. Calculate $5b$<br /> $5 \times 5 = 25$<br />4. Add results<br /> $45 + 25 = 70$
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