I recommend u use the app called photomath. It works a lot.
Answer:
35
Step-by-step explanation:
X/x+9 (original fraction)
x+1/ x+10 = 4/13
x+1=4 so x=3 and x+10=13 so again x=3
now that you have the value of x, substitute it into the original fraction to get:
3/12
Answer: 20
Step-by-step explanation:
Known facts:
- 50 dollars is the initial amount in the saving account
- 50 dollars is added every week into the savings account.
Variables:
- x: # of weeks
- y: total amount of money in savings
Set equation based on known facts and variables:
y = 50x + 50, 50x is the rate at which it grows depending on
the week and 50 is the initial amount there
Hope that helps!
