the amount you'd have after the work is $1.55
step-by-step explanation:
you subtract 95% from $31.
$8
it is pretty much backwards.
you take the 4x2 multiply that, and that is = $8
or
we need to solve for 'x' the following equation:
we have that:
⇒
⇒ ⇒
factorizing, we get that:
then, the solutions are: or
nothing extraneous has been found!