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2 years ago

7

Since 1980 the average height of 20-year-old females has increased by 2.3 cm, to 170.6 cm. What was the average height of a 20-y

ear-old female in 1980?

1 answer:

marusya05 [52]2 years ago

3 0

Answer:

168.3 cm

Step-by-step explanation:

It was 2.3 cm less than 170.6 cm, so we use subtraction.

170.6 cm - 2.3 cm = 168.3 cm

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