Question

Debbie has equal numbers of dimes and quarters with a total value of $1.40. How many coins does she have altogether?

Answer 1

4 quarters and 10 dimes.Because 4 quarter is a dollar and a dime is worth 10 cents.And 10 x 4 = 40

Answer 2

$x=amount\ of\ each\ coin. \\ .25x+.1x=1.4 \\ .35x=1.4 \\ x= \frac{1.4}{.35} \\ x=4\ of\ each\ coin. \\ 4\ quarters\ and\ 4\ dimes. \\ \boxed{8\ coins\ in\ total}$