Question

Monica has thrice as many crayons as Jay.
Jay has 15 crayons more than Nathan.
They have 105 crayons altogether.
How many crayons does Nathan have?

Answer 1

Answer:

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Step-by-step explanation:

15×3-105

= 45-105

=-60

Answer 2

let Nathan's crayons be X

therefore jays Crohn's will be 15+x

And Monica's crayons will be 3×15+3×X=45+3x

according to question

they have 105 crayons altogether

therefore

x+15+x+45+3x=105

=>5x+60=105

=>5x=105-60

=>5x=50

=>x=50÷5

=>x=10

THEREFORE Nathan's crayons =10

jay's crayons =15+x=15+10=25

Monicas crayons =45+ 3×x=45+3×10=30+45=75

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