Skill 2 of 11 · Basic AlgebraClose

Evaluate algebraic expressions

Evaluate algebraic expressions by substituting (replacing) variables with numbers.

  • If x = 4, then 3x + 7 = 3(4) + 7 = 19.

Question 1 of 4

A painter uses the expression 35h + 30c to determine how much he charges a customer for a job that takes h hours and c cans of paint. His last job required 3 cans of paint and took 15 hours to complete. How much did the painter charge?

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