Question

1. connor cuts a board with a length of 78.5 centimeters into four equal pieces. which is the best estimate for the length of each piece? a 2 cm b 5 cm c 20 cm d 25 cm

Explanation:

Step1: Identify the operation

To find the length of each piece, we divide the total length by the number of pieces. So we need to calculate \(78.5\div4\).

Step2: Estimate the division

We can round \(78.5\) to a number that is easily divisible by \(4\). \(78.5\) is close to \(80\). Then \(80\div4 = 20\). So the best estimate for \(78.5\div4\) is around \(20\) cm.

Answer:

C. 20 cm