Answer
Estimate 140 trips
Exact 112 trips
Work Step by Step
$140 \div 1 \frac{1}{4}$
Estimate
Round fractions to nearest whole number.
$140 \div 1$ = 140 trips
Exact
Convert mixed numbers to improper fractions.
$\frac{140}{1} \div \frac{5}{4}$
Multiply by the reciprocal of the divisor.
$\frac{140}{1} \times \frac{4}{5}$
Reduce by the common factor of 5.
$\frac{28}{1} \times \frac{4}{1}$ = $28 \times 4$ = 112 trips
