kamkamsaflor kamkamsaflor
  • 02-05-2018
  • Mathematics
contestada

toothbrushes are $4.00 each. there is a 10% discount but also 6% sales tax. What is the new price?

Respuesta :

Supernova
Supernova Supernova
  • 02-05-2018
Multiply 4 by 10%.
10% ⇒ 0.1

4 × 0.1 = 0.4
Subtract 0.4 from 4.
4 - 0.4 = 3.6 (price with discount)

Multiply 3.6 by 6%.
6% ⇒ 0.06
3.6 × 0.06 = 0.216

Add 0.216 to 3.6.
0.216 + 3.6 = 3.816

Round 3.816 to the hundredths.
3.816 ⇒ 3.82 (price with tax)

The new price of toothbrushes is $3.82.
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