HELP ME PLEASE 40 POINTS
1 answer:
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Simplify the expression.
Exact form:
Decimal form:
19.04
Mixed Number Form:
14 of the machine that cost $150 was sold and 8 of the machine that cost $225 was sold.
To solve this problem, we would write a system of linear equations.
- Let x represent the machine that cost $150
- Let y represent the machine that cost $225
We can proceed to write our equations now.
From equation 1
put equation (iii) into (ii)
Since we know the number of y, we can simply substitute it into equation (i) and solve.
From the calculations above, 14 of the machine that cost $150 was sold and 8 of the machine that cost $255 was sold.
Learn more about system of equations here;
42 inches of wire will cost 168 cents
Look at the pic to see how to set up the proportion.
Look at the pic to see how to set up the proportion.