Question

write the expressions for the following casses : Three times the difference of 30 and a​

Answer 1

Answer:

3*(30-a)

Step-by-step explanation:

the expression is 30-a

3 times of it will be 3*(30-a)

60-3a ans

Answer 2

3 * ( | 30 - a | ) is the expression for Three times the difference of 30 and a

Step-by-step explanation:

Difference of 30 and a

would be  | 30 - a |

Three Times the difference of 30 and a

= 3 * ( | 30 - a | )

= 3 * (30 - a)  = 90 - 3a if  a ≤ 30

or

3(a - 30) = 3a - 90 if a > 30

3( | 30 - a | ) is Three times the difference of 30 and a

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