Complete the operation. Show steps needed
without a calculator.
a) 3.76 + 0.345

4.105000

Step-by-step explanation:

because you have to add up

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:

765238725478629038640962136509762139056074

step-by-step explanation:

64087235609746097215074621039754021037