2sweetheartj27 2sweetheartj27

02-11-2017
Mathematics

contestada

Number 7 plz. Grade 7 Math. Pre algebra

Number 7 plz Grade 7 Math Pre algebra class=

Respuesta :

dannielle dannielle

02-11-2017

The price up to 20% was
120*40/100=48 $

The cost down by 20% is:
48*80/100=3840/100=38,4 $

38,40=40*x/100
x=38,4*100/40=3840/40=96 %

Answer Link

Otras preguntas

Does every point lie in a quadrant?

Why was is difficult for the Arab people to form one nation?

Find the value of x. Round to nearest hundredth if necessary.

Dominick lives 1 3/4 miles from his school. If his mother drives him half the way, how far will Dominick have to walk to get to school?

which seismic wave moves through earth at the fastest speed?

which factor made the most difference in how agriculture affected the economies of the colonies?

Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou

Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w

If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?

Find the value of x. Round to nearest hundredth if necessary.