Joe has a collection of 60 insects. if 2/5 are moths and 1/3 are beetles how many insects are not moths or beetles

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:

answer: i don't understand. what are the options

step-by-step explanation: