Giantkiller
contestada

Keyanna saved $75 this summer by babysitting. After school, she makes $10 a week babysitting.

a) Write an equation for the amount, A, of money that she will have after w weeks.
b) How much will she have after 5 weeks?
c) How many weeks until she has $255?

Respuesta :

taskmasters
Given:
Savings : $75
Babysitting earnings : $10 a week.

a) A = $75 + $10w

b) A = $75 + $10 * 5 weeks
    A = $75 + $50 
    A = $125

c) A = $75 + $10w
  $255 = $75 + $10w
  $255 - $75 = $10w
  $180 = $10w 
  $180/$10 = w
   18 = w
Keyanna needs to babysit for 18 weeks.

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