A: 63.75
B: 95.625 dollars
Set the equation to 125.
15x+50= 125
Subtract 50.
15x= 75
Divide by 15 into both sides.
x= 5
5 family members went.
I hope this helps!
~cupcake
Answer:
v=0.79x+3.99
f=1.89x+5.49
combined cost: 2.68×+9.48
X+y=70
x=2y-5
x=larger number
y=smaller number
now plug in the value of x to only have one variable in the equation...
Way to solve for y:
(2y-5)+y=70
3y-5=70
add 5 on both sides...
3y=75
divide by 3 on both sides
y=25
1st way to solve for x:
now plug in y in the original equation...
x+25=70
subtract 25 on both sides...
x=45
2nd way to solve for x:
plug in y for the second equation...
x=25(2)-5
x=50-5
x=45
answer: the two numbers are 45 and 25.
This is just about similar triangle
mn=2jl=22
mo=2lk=26
jk=2on=40
