Question

Translate into a variable expression. Then simplify the expression.

Twice the sum of four times a number n and thirty.

Can you explain how to write it as a variable expression pls
Also what does "and" stand for here?

Answer 1

"and" usually suggests addition,
e.g. what is 5 and 6 ?

let the number be n
"the sum of 4 times a number and 30" --> 4n+30

now twice that ---> 2(4n+30)
= 8n + 60

Answer 2

One more than the product of one and a number xxx.

Answer 3

Translate into a variable expression and then simplify. five times the sum of a number and four