el7anewi3fermon el7anewi3fermon

02-09-2016
Mathematics

contestada

Jerry has a total of 23 marbles. The marbles are either blue or green. He has three more blue marbles than green marbles. How many green marbles does he have?

Respuesta :

mpanderla95 mpanderla95

02-09-2016

X - green marbles
X + 3 - blue marbles
Total = 23

X + X + 3 = 23
2X + 3 = 23
2X = 23 - 3
2X = 20
X = 10

Jerry has 10 green marbles. He also has 13 blue Marbles. To give a total of 23.

Answer Link

Otras preguntas

Write an equation to solve: 1. A scuba diver dives down 20 feet in the ocean. He then swims 11 feet back up towards the surface. What is the position of the sc

who led athens during its golden age

Which of the following is a true statement?

A star has a surface temperature of 30,000 K. At what wavelengrh does the peak radiation occour

A particle can infect humans and make them sick. It attaches to a host cell and injects its RNA, which the host uses to make proteins for the particle. This par

Samaad had $20.He spent $12.50.His mum gave him $10 more.Samaad spent additional $14.50.How much is left?

Solve for N. -7 + N = 20 N = 13 N = -13 N = 27 N = -27

3/4(3z+6) - 1/4(5z - 24)

how much significant figures does 147,320 have

Explain and demonstrate how to change 4/20 into a percent