1956/(3+1)=489 adult tickets cost for all adults
1965-489= 1467 cost of child tickets
1467/5.30=276.8
277 child tickets were sold.
Answer:
x + y = 400
5x + 9y = 2632
Step-by-step explanation:
Answer:
{-3}
Step-by-step explanation:
Раскроем скобки:
- 40 - 6m - 1 = 7m - 2
Перенесем все, что с m, в левую часть:
- 13m = 39
m = -3
$3.60 for 2 cups would be $1.80 for one cup.
$3.60 for 2
$5.40 for 3
$7.20 for 4
$9 for 5
$10.80 for 6
$12.60 for 7
$14.40 for 8