When 3.5 is added to 7 times a number the result is 65.1 find the number

Question

asked Jul 25, 2023 184k views

1 Answer

Hans Sperker · Answer 1 · 2023-07-29T16:53:27+0000

Let x be the number we are looking for; therefore, 7 times a number is '7x'.

Then, 3.5 added to 7 times a number is

Thus, the whole equation is

$\begin{gathered} 3.5+7x=65.1 \\ \Rightarrow7x=65.1-3.5=61.6 \\ \Rightarrow x=(61.6)/(7)=8.8 \end{gathered}$

Hence, the number is 8.8