eliminating y
x + y = 4 .......... x 2
3x - 2y = 7 ...... x 1
2x + 2y = 8
3x - 2y = 7
_________ +
5x = 15
x = 3
substitute
x + y = 4
3 + y = 4
y = 1
.
x = 3 and y = 1
Answer: (1.5, 1.5)
Step-by-step explanation:
Answer:
3.25
13÷4=3.25
Everyone gets 3.25 kg of chocolate
27
Step-by-step explanation
14 is the radius so multiply by pi to get 87.96
then turn 200 fee into in which is 2400in
and divide 2400 by 87.96
