D. Sasha's method is exponential because it increases by a fixed factor, and Mona's method is linear because it increases by a fixed number.
Hope this helps!~
Answer:
x + Y = 39 or x = 39-y
20x + 50y = 1.40
20 (39 - y) + 50y = 11.40
7.80 - 20y + 50y = 11.40
30y = 11.40 - 7.80
30y = 3.60
y = 3.60/30
y = 12 50p coins were collected.
x = 39 - 12 = 27 20p coins were collected.
Proof:
20*27 + 50*12 = 11.40
5.40 + 6 = 11.40
11.40 = 11.40
I hope it helps.
Hellooooo!! Marie Here!!!
The answer is here:
The value of "x" is 9
<h3>Hope This Helps!!! Have A GREAAATTTT Day!!</h3>
The answer for this question is 8/1
All the number end in a zero 10 20 30 40 50 60 70 80 90
