Answer:
$21.50
Step-by-step explanation:
10% of $25 is $2.50
4% of $25 is (1% of 25)×4
4% of $25 = $0.25×4
4%=$1
10%+4%=14%
$2.50+$1=14%
$3.50=14%
$25-$3.50=£21.50
-9×(-87)=783
783÷(-9)=-87
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