Henry bought 280 red and blue paper cups. he used 1/3 of the blue ones and 1/2 of the red ones at a party. he had an equal number of blue cups and red cups left. how many cups did he use at the party.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

need more information

step-by-step explanation:

yes the data was not prsented

step-by-step explanation:

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

brainliest is always apprectiated