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07.12.2019 •
Mathematics
Tickets for the school concert were $3 and $2. if 245 tickets were sold for the total of $630, how much of each kind are there?
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Ответ:
Let, the number of tickets of cost $3 = x
and number of tickets of cost $2 = y
x+y = 245
3x+2y=630
Substitute value of x,
3(245-y)+2y=630
735-3y+2y=630
y = 105 ; x = 245-105 = 140
Ответ:
32
Step-by-step explanation:
56 divided by 7 =8
8 times 4 =32
(brainliest?)