Harry's health club cost $19 per month plus a $80 membership fee. fiona's fitness cost $35 per month. after how many months will the cost be the same?

5 months

Step-by-step explanation:

Let the number of months be "x"

Lets find equation for both Harry's and Fiona's scheme.

Harry:

80 fixed cost

19 per month

So that would be 80 + 19x

Fiona:

no fixed cost, only 35 per month

So that would be 35x

Now we equate both since we want cost to be same and find x, number of months at which this will occurs. Shown below:

Thus, after 5 months, cost will be same.

rick has $1400 and sally has $1500

step-by-step explanation:

to find amount of money rick has after 10 years :

principal = $1000 , time = 10 years , rate = 4% annually

to find amount of money sally has after 10 years :

her friend gives to pay her $50 per year, therefore money she has after 10 years = 50 × 10 = $500

also, sally gets $1000 after 10 years,

therefore, total amount of money sally has after 10 years = 500 + 1000 = $1500

so, after 10 years : rick has $1400 and sally has $1500