aocasio0416 aocasio0416
  • 02-12-2021
  • Mathematics
contestada

sam's age is 125% of mary's age. mary's age is p% of sam's age. what is the value of p?

Respuesta :

outcash812
outcash812 outcash812
  • 02-12-2021
Let Sam be (S+8) years while his sister is S years.

S(S+8) = 105

S^2+8S-105 = 0

(S+15)(S-7) = 0

Sam’s sister is 7 years and Sam is 15 years old.
Answer Link

Otras preguntas

Binary equivalent of decimal number 170
a spinner is divided into 8 equal sections. 5 sections are red and 3 are green. if the spinner is spun 3 times, what is the probability that it lands on red exa
Your oven has a power rating of 5000 watt... Your oven has a power rating of 5000 watts. a. How many kilowatts is this? b. If the oven is used for 2 hours to ba
Your oven has a power rating of 5000 watt... Your oven has a power rating of 5000 watts. a. How many kilowatts is this? b. If the oven is used for 2 hours to ba
How do I Stargaze? Please help :)
Baker university hired its first coachj in?
At the start of "The Necklace," why does Mathilde's husband go through "great trouble" to get an invitation to the ball?
how can astronomers use rocks from the moon to estimate the age of the solar system ?
could you tell me what is sputnik?
WHAT is the answers to 2a 2b and 2c ?