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100+75=175/100=1.75 1.75x180= 315 (180 represents actual or other number in problem)
100+increase=sum/100= ____ , ____ x original = _____
finding rate (specifically mph)
miles/hour= _____
Percent error
Actual=23 Error=22
23-22=1 1x actual (23) = 0.043x100=4.3%
actual-error=sum sum x actual= product (round 4th number up or drop it) product x 100 = ans
Equation to represent the relationship
3=constant 7 1/5 =Rate (___ per ____)
3/7 and one fifth = ans
discount+tax:
original = ( $20-100%) (15% dicount)
100-15 = 85%/ 100 = .85 x 20 (original) = 17
tax = 7%
100%+7%=107% /100 = 1.07 x 17 = 18.19
NUMBER 5
1. 100-20=80/100=0.8x18=14.40
100(regular)-(discount)=sum, sum/100=productM, productM x regular= ans
2. 100(regular)-(discount)=sum, sum/100=product (We'll call this number M)
productMx =ans
3. discount price = $18 what is reg?
18/0.8 (M) = 22.50 ?
number 7 commission
rate of commission = 2.5
2.5/100= 0.025x900=$22.5
rate/100=____x $ from sales= ans (make sure to label)
2. a store bought $50 shoes and sold them for $80 what % was markup
80-50=$30 , to find percentage 30/50 (actual) = 0.6 x 100 = 60
actual - new price = A , A/actual = ___x100= ans%
3. $12 per hour whats a 5% increase per hour?
100(12)+5 =105%/100= 1.05 x 12= 12.60
100+ increase%= Sum/100=____x original rate per hour=ans
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