Answer:
B or c but im sure its B
Step-by-step explanation:
just did this answer!
2x+y+3=0
...................
Answer:
b. x = 80, y = 100, z = 63
Step-by-step explanation:
Let the cost of one cup of hot chocolate be = x
Let the cost of one cup of hot tea be = y
Paul paid $ 25.50 for 3 cups of hot chocolate and 4 cups of tea.
Equation becomes =
...(1)
As given, the cost of each cup of tea was 2/3 the cost of each cup of hot chocolate.
.... (2)
Putting the value of y from (2) in (1)

=
=
=
x=4.5

=
y =3
Hence each cup of hot chocolate is $4.50
Each cup of tea is $3.
Answer:
8:10 and 12: 15
Step-by-step explanation:
we have to multiply