Part A Lin's father is paying for a $20 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied.
What does Lin's father pay for the meal?

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

true

step-by-step explanation:

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