Originally the dimensions of a rectangle were 20cm by 23cm. When both dimensions were decreased by the same amount, the area of

Question

Harlamova29_29 [7]

2 years ago

6

Originally the dimensions of a rectangle were 20cm by 23cm. When both dimensions were decreased by the same amount, the area of

the rectangle decreases by 120. Find the dimensions of the rectangle.

Mathematics

1 answer:

SIZIF [17.4K] · Answer 1 · 2022-03-28T03:08:46+03:00

SIZIF [17.4K]2 years ago

6 0

The answer is 17cm by 20cm.
The original area is 460cm (20x23), minus 120cm gives a new area of 340cm.
20cm-3cm=17cm and 23cm-3cm=20cm
17cmx20cm = 340cm