There are only blue sweets, green sweets and red sweets in a box. the ratio of the number of blue sweets to the number of green sweets is 2:7. the ratio of the number of green sweets to the number of red sweets is 3:1. there are less than 140 sweets in the box. what is the greatest possible number of red sweets in the box.

yo answer should be 6 if im not mistaken

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.