Question

if a sales tax on a purchase worth Rs 60 is Rs 4.20 what will be the sales tax on a purchase worth Rs 150

Answer 1

tax=sp*tax%
4.20=60×t/100
t=4.20*100/60
t=7%
tax on 150
tax=150×7/100
tax=10.5

Answer 2

Rs 10.5 is sales tax on  a purchase worth Rs 150 if  a sales tax on a purchase worth Rs 60 is Rs 4.20

Step-by-step explanation:

if a sales tax on a purchase worth Rs 60 is Rs 4.20

Purchase  = Rs 60

Sale Tax = 4.2 Rs

Sale Tax %  = (4.2/60) * 100 = 42/6 = 7 %

sales tax on a purchase worth Rs 150

Purchase  = Rs 150

Sale tax = 7 %

Sale Tax = (7/100) * 150  = 7 * 15/10   = 105/10  = 10.5 Rs

Rs 10.5 is sales tax on  a purchase worth Rs 150

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