Question

The thickness of 12 canvases is 42mm find the thickness of 20 cavases

Answer 1

Answer:

70mm

Step-by-step explanation:

12 can. = 42mm

1 can. = x

cross multiply ,

12x = 42 × 1

x = 42÷12

x = 3.5mm

so, 1 can. = 3.5mm

for 20 can. = 3.5 * 20

= 70mm