Step-by-step explanation:
well, as you can witness both of the equations are equal to y, so you're free to reckon that they are equal as well

In the 1st pair of fours the 4 on the left side is 10 times greater than the 4 on the right. The same thing with the 2nd pair of fours. The 4 on the left side is 10 greater than the 4 on the right. Hope this helps!
Considering that you mean 6.5% interest yearly, the interest gained would be:
$146.25
and the total amount would be $896.25
Hope this helped!
You have a 2:8 ratio, or 1:4. Since you have 12 cups of raisins, you're going to get the answer 48.