You have to add 2.52 and 1.26 and divide it by 18!
Multiply both sides of the equation by 28 4y+7=10
Then move constants to the right side and change its sign 4y=10-7
Now subtract the numbers 4y=3 divide both sides by 4 so your answer is y=3/4
Stocks-saving account
975×(1+0.08)−975×(1+0.045)=34.125
1) 5.028 × 10^21
2) 8.46 × 10^22 (ig theres literally nothing else it could be)
3) approx. 17 times greater (rounded up from 16.8)