Take the original cost and multiply 0.18 to it. then take the product of that and add it to the original number to get the total cost.
Answer:
9 and 11
Step-by-step explanation:
11 is 2 more then 9 and 11 plus 9 is equal to 20
So
18*6=108
4*6=24
108-24=84
so the answer is 84
i hope it's correct
Answer:
Yes, they form a proportion
How:
If you divide 24 by 3 you get 8 and if you divide 15 by 3 you get 8 so these ratios are a proportion
If you multiply $2.55 to 140% you get $3.57