Question

Solve the following using front-end estimation: $7.85 + $8.22.

A $7+ $8 = $15
B $8 + $8 = $16
C $7 + $1 + $8 = 16
D $7 + $1 + $8 + $1 = $17 ​

Answer 1

B

Explanation:

FE estimation means make all the digits zero except left most digit whic is roundes up or down depending on the digis following it

7.85 rounded up to 8

8.22 rounded down to 8

so 8+8