TheBraniax TheBraniax
  • 16-11-2018
  • Mathematics
contestada

A plumber charges an initial amount,x, to make a house call plus an hourly rate,y, for the time he is working.A 1-hour job costs $90 and a 3-hour job cost $210

Respuesta :

rainbowangel91585
rainbowangel91585 rainbowangel91585
  • 24-11-2018
x=$30
y=$60

1 hour job- 60x1=60+30=90
3 hour job-60x3=180+30=210
Answer Link

Otras preguntas

Please answer, i will give brainiest
what does the use of the heart in the counterculture poster suggest
Find the equation of a line that goes through point (1.2) and has an undefined slope.
The Arctic cod is a small forage fish that is a very important part of the food web. It eats mostly zooplankton and lives water between -2 and 0°C due to a ty
does McDuff actually betray his wife
What country had control over France prior to D-day?
if billy gives away 1/4 of his cards to his teacher, how many cards does he gives his teacher
Touching a jellyfish can be a very painful experience whereas touching a comb jelly is not painful. Why is there a difference? Ctenophores do not possess nemato
Christine bakes 4 dozen cookies in an hour. How many dozen cookies does she bake in 3.5 hours?
How many panchayat samithi are there in Bangalore