Question

An open rectangular box , 1 m long, 70 cm wide and 50 cm deep , is painted on the inside and outside. find the cost at $90per m²

Answer 1

Answer:

the answer is simple and it's 2600

Step-by-step explanation:

when we multiply 70 × 1 we get = 70

and when we multiply 70 × 50 we get = 3,500

and when we do it the 90 changes into 900

so , when we subtract 3,500 - 900 we get = 2600