Question

Evaluate 4a + 5b when a = 2 and b = 3.1.

Answer 1

The answer is 23.5
4 *2 + 5* 3.1
4*2=8
5*3.1=15.5
8+15.5= 23.5

Answer 2

4x2 + 5x3.1 = 8 + 15.5 = 23.5 is the answer

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