evcroyle evcroyle
  • 13-05-2020
  • Mathematics
contestada

How do I find the answer for this equation 20x+15y= 330, when x+y =18

Respuesta :

alyssallen122407
alyssallen122407 alyssallen122407
  • 13-05-2020
U divide 330 by 15 and get the quotient then do the same thing to 20 and add the quotients together to solve for x and y
Answer Link

Otras preguntas

Tim drives at an average speed of 80 km per hour for 2 hours 45 minutes. Work out how many kilometres Tim drives.
If 5 (m-3)-4(m-2) =0 then m is?? Pls i need this ans really fast
Please answer correctly.^^Thank you.
MARKING BRAINLIEST !! please help asap ! Describe the end behavior of the graph. Then determine whether it represents me odd-degree or an even-degree polynomial
Which of the following did Theodore Roosevelt create to save elk?
suppose a 51 kg bungee jumper steps off the royal gorge bridge, in colorado. The bridge is situated 321 m above the arkansas river. the bungee cords spring cons
If the number of H+ ions doubles in a solution, how much does the pH change?
A physician orders Fragmin 1,600 international units subcutaneously stat. There are 9-mL vials of Fragmin (dalteparin) 10,000 international units/mL available i
An object travelling at 12 m/s has 64.8j of stored kinetic energy. What is the mass of the object, in grams?​
Simplify and expand (x-1)(2x+3)