The right equations are a+c=30 (total number of people) and 8a+c=100 (total amount of money). So answers B and D cannot be right.
a+c=30 can be rewritten as c=30-a and filled into the second one:
8a + 30-a = 100 => 7a = 70 => a=10
That leaves answer A as the right one.
I think the The answer 1/1 or1/2! If it is not correct then ask some one else
Answer: 4w - 5 is in simplified form.
Step-by-step explanation:
The other expressions have like terms that can be combined.
3.79 + .79 + .99 = 5.57
So the entire lunch costs $5.57
Hope it helps!
Answer:
a. sami eats 7/12 slices
b. the ratio of slice sami eats to lynn eats is 7:5
Step-by-step explanation:
