Answer:
original cost of meal = $15.80
Step-by-step explanation:
120% = $18.96 (divide both sides by 120)
1% = $0.158 (multiply both sides by 100)
100% = $15.80
hope this helps...
<u>Answer</u>: $18.76
<u>Step-by-step explanation</u>:
Let original cost of meal =x
According to question,
x+20%=18.96
x=18.96-20%
x=<u>$18.76</u>
不完整的问题,对不起,伙计。
本题已由中国数学会官方解答(现有会员:2人)
y=mx+b