Question

A science textbook uses a scale of 3cm=2mm for drawings of small insects. What is the actual length of a flea if the drawing is 7.5cm long?

Answer 1

Answer:

The actual flea is 5mm long.

Step-by-step explanation:

Identify what you know:

1) 3cm = 2mm

2) The drawing is 7.5cm

7.5cm = x mm

7.5 cm divided by 3cm = 2.5

2mm x 2.5 = 5mm

Answer 2

Answer:

The actual flea is 5.0mm long.

Step-by-step explanation:

1) 3cm = 2mm

2) The drawing is 7.5cm

7.5cm = x mm

7.5 cm divided by 3cm = 2.5

2mm x 2.5 = 5.0mm