Answer:
600
Step-by-step explanation:
36 times 18=648 but u need to add o the nearest hundred
C = Cost To Download
M = Membership Fee.
T = 0.99C + M
Now, Plug In 6 For C.
And 12.49 For M
T = 0.99 * 6 + 12.49
0.99*6 = 5.94
T = 5.94 + 12.49
5.94+12.49 = 18.43
T = 18.43.
So, If You Want To Buy 6 Games On The Website, It Will Cost $18.43
Problem 1
subtract 3 x
5y=-3x+11
divide 5
y=3/5x+2.2'
Problem 2
add 5x
7y=5x+9
divide 7
y=5/7x+1.3'
'notice'
you can put 2.2 into a fraction (11/5) and 1.3 (9/7) if your teacher allows it, but i put them into decimals
We have,

Introduce variable
such that 
The sum
is therefore 
So,
(sadia's age)
(father's age)
Hope this helps :)
Answer:
1. 458 - 247 = 211
2. 58.92 - 43.87 = 15.05
3. 51/8 - 15/8 = 4.5
Here you go ! Hope this helps !