How many kg of peanuts must Nicole add to 15 kg of mixed nuts containing 40%
peanuts to make a mixture with 64%
peanuts?
I know that the answer is 10kg but i dont know how to do the work

answer: 1 2 3 6

step-by-step explanation:

1x6=6 2x3=6

step-by-step explanation:

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x