<span>I would tell my classmate to multiply the sum he is trying to find the percent from (122) by the percent itself so 122 X 0.42 which will give you 42% of 122 its really just about simple Multiplication and converting decimal places</span>
Theres about a 7,200,000 difference between household dogs vs household cats
Cost of the current plan: $175
Number of devices: x
Cost of the new plan: $94+($4.50/device)x
Cost of the new plan is less than the current plan:
$94+($4.50/device)x<$175
Solving for x:
$94+($4.50/device)x-$94<$175-$94
($4.50/device)x<$81
(device/$4.50)($4.50/device)x<(device/$4.50)($81)
x<18 devices
Please, see the attached file.
Thanks.
It has at least one or two solutions it depends on how you write it down