Answer:
x + 3y = 21
Step-by-step explanation:
Equation of the line: y =mx+ b
Multiply the equation by 3
3y = -x + 21
x + 3y = 21
Donald spent half as much as Patricia did on presents this year, and Carl spent 3 times more than Donald. If the total spent bet
1 answer:
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When you see a "%" you need to ask " a percent of what"?
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Here, it's a percent of the original prize, so the discount is 20% of the original prize, that is 20% of 35.
20% is also 20/100 or 1/5, so we can calculate this like this:
so the discount is 7 dollars.