Thread: Decimals

I have 3 questions. Answer as many as you can please

1) Minnie rounded a number to 8.65. What could the original have been?

2) Find the average of 3.2, 3.9 and 2.8

3) A motorist paid $37.08 for 40 litres of petrol. What was the price in cents per litre?

Thanks heaps

Kaylen

Originally Posted by Kaylen12

I have 3 questions. Answer as many as you can please

1) Minnie rounded a number to 8.65. What could the original have been?

The original could have been bigger than 8.625 or smaller than 8.675

Originally Posted by Kaylen12

2) Find the average of 3.2, 3.9 and 2.8

(3.2+3.9+2.8)/3 = 3.3

Originally Posted by Kaylen12

3) A motorist paid $37.08 for 40 litres of petrol. What was the price in cents per litre?

($37.08)/(40 litres) = $0.927/litre = 93cents/litre