Answer:
Step-by-step explanation:
Oldest friend=X+2; Middle friend=X+1; Youngest friend=X
X+(X+1)+(X+2)=180
3X+3=180 Subtract 3 from each side.
3X=177 Divide each side by 3
X=59 Youngest friend is 59.
X+2=59+2=61 ANSWER: Oldest friend is 61.
X+2=59+1=60 Middle friend is 60.
CHECK:
Sum is 180
59+60+61=180
180=180
Answer:
B
Step-by-step explanation:
because the answer matches the equation
How are we supposed to graph this, it's easy the first number in the parenthesis is where it is on the x-axis, the second number in there is where it is at on the y-axis, that should help you so you can graph it yourself.
Answer:
x = 72
Step-by-step explanation:
3/8=27/x
cross multiply
3*x=3x 27*8=216
divide
216/3=x
x=72
4 + 5 = 9
180 ÷ 9 = 20
Sand = 20×4 = 80
Cement = 20×5 = 100
