Four friends contribute sums of money to a charitable organization in the ratio of 2:4:5:7. if the largest amount contributed is $1.40, calculate the total amount contributed used by the four people?

Answer 1

7x = 1.40
x = .20

2x = 0.40
4x = 0.80
5x = 1.00
7x = 1.40
sum = $3.60

Answer 2

where you get the 20 for x

Answer 3

Where do u get 20x

Answer 4

v. good

Answer 5

where you get that 20 from