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.
Answer Link

Otras preguntas

A mouse population starts with 2,000 mice and grows at a rate of 5% per year. The number of mice after t years can be modeled by the equation, P(t)=2000(1.05)^t
what colors are birds are attracted 2
what colors are birds are attracted 2
How many midgets can sit in a clown car if the car can hold 4 clowns from door to door and 3 people from front seat to back seat. Two midgets fit across 1 clow
what type of fractions are the following A) 1/3 A) Improper B) mixed C)wholeB) 5 1/6C) 6/5answer A B C with the three multiple choice answers.
Which substance will combine with oxygen gas to produce a greenhouse gas? a. Na b. S c. H₂ d. Ne e. C
What two factors determine the state of rocks and metals Inside the earth?
Over what period of time would you expect to see large changes in mountains,canyons,and similar features of the earth?
why did  the volcano explode
I need a Amazon tribe name please! Need for Monday