Answer:
88.99
Step-by-step explanation:
his plan includes 800 minutes for 79.99, all we need to do is calculate the cost of the extra 50mins he used and add it to 79.99. this is ((850-800)*0.18) +79.99 and this is equal to 88.99
No
Reduce each fraction to find if they are equal to the same ratio.
2/4 reduces to 1/2
14/20 reduces to 7/10
They do not form a proportion.
D. Only 16 and 21
Plug in 16 and 21 to replace the x and the answer will be bigger than 24.
