First, let's convert to a fraction instead of a mixed number. To do this, multiply the whole number by the denominator, then add the numerator. That's your new numerator, the denominator stays the same.
9 x 2 = 18 18 + 4 = 22
Now when dividing fractions, multiply the first fraction by the reciprocal of the second fraction. (the reciprocal is the upside down version of the fraction)
5000, take 3500 multiplied by 2/7 to find the amount of money deposited per month which is 1000 then multiply it by 5 to find the deposit over 5 months