Answer:
x= -1, y= 1
Step-by-step explanation:
2x + 6y = 4.........(1)
8x - 5y = 45........(2)
multiply equation (1) by 4
8x + 24y = 16......(3)
subtract equation (3) by (2)
29y = 29
y = 1
then substitute y=1 in equation (1)
2x + 6(1) = 4
solving for x
x = -2/2 = -1
Answer:
Sum: 34 + 17 = 51
Difference: 34 - 17 = 17
Step-by-step explanation:
math
The answer would be 15/25
3/5 times 5/5=15/25
15/25 divided by 5/5=3/5
Answer:
36
Step-by-step explanation:
The 5 part of the ratio represents 60 girls.
Divide 60 by 5 to find the value of one part of the ratio
60 ÷ 5 = 12 ← value of 1 part of the ratio
The 3 part of the ratio represents the number of boys, hence
3 × 12 = 36 ← number of boys