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Answer:
Step-by-step explanation:
4x+5y=6
x=
6()-7y=-20
9-7.5y-7y=-20
-14.5y=-20
y=
5()+4x=6
x=
Answer:
$7.5 is the ROI on each sweatshirt
Step-by-step explanation:
In this question, we are asked to calculate ROI for a businessman who sells sweatshirts.
To calculate the profit we need to subtract the total cost incurred form manufacture to delivery and subtract bogus from the cost at which he sells the shirts.
Mathematically let’s calculate the cost from production to delivery.
That would be ;
$15 + $3 + $0.5 = $18.5
sales price is $26
His ROI will be $26 - $18.5 = $7.5
The coefficient should be the number in front of the variables, which should be 2