Question

Arectangular field has an area of 646 square feet. The width of the field is 19 feetWite a number in the box to show the missing measurement What is the length of the field?

Answer 1

The area of a rectangle is

$A=19\cdot x=76$

x is the number missing in the box

$x=\frac{76}{19}=4$

the length of the field is 30+4 =34 feet