Estimate a 20% tip for $31.15
$4.65

$3.10

$6.20

$12.40

#12 find the value of x. #13 find the value of the variable.

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Define multiplicative inverse. give an example of a number and its multiplicative inverse.