Question

Use the equation 135⋅42=5,670 and what you know about fractions, decimals, and place value to explain how to place the decimal point when you compute (1.35)⋅(4.2).

Answer 1

7x + 4 = 9

7x + 4 = 19

2x = 19 - 4

7x = 15

x= 15 – 7