Question

Find the total cost of a spa treatment that is $120, if you also pay 5% tax and 20% tip on the original cost

Answer 1

$150

Explanation:

5% of $120 is $6 and 20% is $24.

$6(tax) + $24(tip) + $120(original) = $150

Answer 2

$150

Explanation:

Additional 5% and 20% on the original cost is additional 25%

Total cost = 125% of 120

= (125/100)×120

= 150