Answer:
a = 16
Step-by-step explanation:
4/8= 1/2
you have to what 8 is half of
8×2= 16
a=16
c = 8x-30
23x-90
Since the cost of soda is x, 8 times the cost of soda is is 8x.
Then, you have to take 30 cents away, so the cost for pizza would be 8x-30 or 8x-.30.
This is your pizza or c.
Next, to put in 3 pizzas and 5 sodas, you just multiply 3 and 5 by the corresponding variables.
So 3(8x-30) + 5(x) = 18x - 90 + 5x = 23x - 90 or 23x - .90
1st: 0.04, 0.04, 0.25, 0.4
2nd: 0.06, 0.16, 0.6, 60
3rd: 0.07, 0.7, 0.075, 0.75, 7.5
4th: 0.02, 0.18, 0.2, 200
5th: 0.009, 0.09, 0.9, 0.95
6th, 0.1, 0.12, 1, 10
Answer: 3
4.0081 x 10 to the 4th power. I know because I did this one.