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10-11-2020
Mathematics

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The ages of three cats are a, a+4 and 2a-3. Their total age is 21. Determine a.

The ages of three cats are a a4 and 2a3 Their total age is 21 Determine a class=

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220113680 220113680

10-11-2020

a+a+4+2a-3= 21

combine like terms

1+4a= 21
-1. -1

4a= 20
————
4a. 4

a= 5

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vaibhavrahalkar4 vaibhavrahalkar4

10-11-2020

Answer:

Ages of cats => a, a+4, 2a-3

Thus,

[tex]a + a + 4 + 2a - 3 = 21 \\ \\ 4a + 1 = 21 \\ \\ 4a = 20 \\ \\ a = 5[/tex]

The a is 5.

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