Question

The design of a microchip has the scale 40:1. Talent of the design is 18 cm find the actual length of the microchip

Answer 1

Answer:

0.45 cm

Step-by-step explanation:

The design of the microchip has the scale 40:1

I cm on the actual is represents 40 cm on the design

The scale is 40 cm : 1 cm

Find the actual length for 18 cm on design :

40 cm → 1 cm

1 cm → 1/40 cm

18 cm → 1/40 x 18 = 9/20 = 0.45 cm