# 10 glasses cost 40 dollars. How much do 20 glasses cost?

2
by t4s6Soumurmayabansho

2016-02-03T21:34:51+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
10 glass=40\$
1 glass = 40 /10
20 glasses = 40/10 x20
= 4x20
= 80 \$
2016-02-03T22:04:32+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Given 10 glasses cost 40 dollars
therefore we can write
10----40. 1 equation
and for 20 glasses......
20------? 2 equation
from 1 & 2
10----40
20----? (cross multiplication)
? equals 40#20 /10
80
80 dollers will be for 20 glasses