Answer:
see below
Step-by-step explanation:
butterfly = x minutes
breast = y minutes
total is 50 minutes
breast stroke = butterfly +20
Part A
x+y = 50
y = x+20
Part B
Substitute the second equation into the first
x+ (x+20) = 50
2x+20 = 50
2x+20-20 = 50-20
2x = 30
2x/2 = 30/2
x = 15
y = x+20
y = 20+15
y = 35 minutes
35 minutes on the breast stroke
Part C
45 minutes on the butterfly is not reasonable
We only have a total of 50 minutes
50-45 = 5
But he spend more time on the breast stroke ( 20 minutes more), but if he spend 45 minutes on the butterfly, he would have to spend less on the breast stroke.
By using distributive property we get
5(2)+5(7)
Therefore you answer is D. 5(2)+5(7)
Answer: 15 by 15 units
Step-by-step explanation: brainliest plz and ty
To complete the square, you would add to both sides (8/2)^2 = (4)^2 = 16. So, the correct answer would be D.
Answer:
17.6 ounces (U.S.) and or 2.2 cups (U.S.)
Step-by-step explanation:
88 ounces divided by 5 equals 17.6 ounces
88 / 5 = 17.6
The remainder can round the answer to 18 (five or more raise the score -- four or less let it rest) but the 88 ounce bag of popcorn will not be even if everyone gets 18 ounces of popcorn
If everyone were to get 18 then the bag a popcorn would have to have 90 ounces of popcorn in it
*Side note: 8 ounces is 1 cup
