Mary spent a total of $320.92 for a party. She spent $200.20 on food, plus an additional $30.18 for each hour of the party. How
long was the party? Write an equation first!
2 answers:
Answer:
4.006627
Step-by-step explanation:
Equation: 320.92=200.20+30.18x
Total spent at party = food purchase + 30.18 per hour (x)
Subtract 200.20 from both sides.
120.72=30.18x
Divide both sides by 30.18x to get the x alone.
4=x
Because x represented how many hours you were at the party, the answer is 4 hours.
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Step-by-step explanation:
Answer: x=16
Step-by-step explanation:
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We have q
consecutive integers in a set and q is odd.
If 120 is the middle number, then
there will be (q-1)/2 numbers
both before
and after 120.
Therefore, the largest number will
be (q-1)/2+120.
You probably already know that the range of
is all non-negative real numbers, right?