Answer:
x=27.5
Step-by-step explanation:
x/4=55/8
Cross multiply:
8x=220
Divide:
8x/8=220/8
x=27.5
It’s pretty simple,, first you make sure you have the like terms together. So it would become 2x=16-8. 8 becomes -8 as we’re moving it to the other side
So the working will be
2x=16-8
2x=8
X=4
I hope this helped!! Let me know if there’s anything else i can help with:)
Answer:
The number of children (n) that can attend the birthday party can be expressed as;
n≤8
Step-by-step explanation:
Step 1
We can use the expression below to calculate the total cost of the party as shown;
C≥F+(V×n)
where;
C=total cost of Gina is willing to spend
F=fixed cost for the rent
V=cost per child
n=number of children at the party
In our case;
C=$100
F=$50
V=$6.25
n=n
replacing;
100≥50+(6.25×n)
6.25 n+50≤100
6.25 n≤100-50
6.25 n≤50
n≤50/6.25
n≤8
The number of children (n) that can attend the birthday party can be expressed as;
n≤8
The slope of y = 3x is 3, and the slope of y = -3x is well, yes, you guessed it, is -3, same value, just different sign, and when that happens the slopes are just mirroring each other, in this case, the mirror line, line of symmetry, is the y-axis, notice in the picture below.
