SAS is one of the answers
Answer: $14.40
10% of $18 = $1.80 (just divide it by 10)
$1.80 x 2 = $3.60
20% of $18 = $3.60
since it’s a discount, you subtract from the original price so:
$18 - $3.60 = $14.40
Answer: 3x3=9, 4x5=20, 8x9=72, and 7x3=21!
Step-by-step explanation: