1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps

2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
Answer:
Step-by-step explanation: 3²+12²=x² simplifies to 9+144=x² so 153=x² or x²=153.
35 students - 25 % ( or 1/4 of the all students )
35 * 4 = 140
140 - 35 = 105
Answer:
The number of students who liked skating was 105.
1440
because yea
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