graceosborne2208 graceosborne2208
  • 14-06-2022
  • Mathematics
contestada

Robyn adopted a child who is exactly 28 years younger than her.
In one year's time, Robyn will be 3 times as old as her child will be.
How old is Robyn now?

Respuesta :

colinspurdle colinspurdle
  • 14-06-2022
If Robyn’s age is r then her child is r-28.
In one year Robyn will be r+1 and her child r-27
r + 1 = 3(r - 27)
r + 1 = 3r - 81
r - r + 1 + 81 = 3r - r - 81 + 81
82 = 2r
r = 41
Robyn is 41 years old
Answer Link

Otras preguntas

Homer's is selling roller blades at 25% off the regular price of $52.00. Martin's is selling them for 1/3 off the regular price of $60. which store is offering
14. What is a major disadvantage of using solar power? A. damage to wildlife B. radioactive waste C. electricity cannot be generated D. requires lar
What is the value of h in the translation of the given function? Describe the phase shift (use a phrase like 3 units to the left). g(x) = f(x +6) A- h = 6; the
Please help me. thank you.
Your car insurance bill is $720 per year if you pay it all up front. However, if you pay it monthly, you will pay $70/month which is $840 each year. You would
What does an ecological designer consider about a product?
How many atoms are in 1.4 mol of phosphorus trifluoride (PF3)?
richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice
What is the volume ?
Kim drives x miles a week. Terry drives two times more than Kim and Jerry drives three times more than Terry. Which expression represents the amount of miles Je