The histogram shows how many jogging runs Maria made for each interval of miles,
Maria's Monthly Jogging
Number of Runs
O
1 - 1.99
2 - 2.99
3 - 3.99
4 -4.99
5-5.99 6-6.99 7 - 7.99
Miles Run
Which statement about the histogram is true?
The majority of Maria's runs were between five and six miles.
More than half Maria's runs were less than five miles each.
The majority of Maria's runs were short, two-mile runs.
At least 15 of Maria's runs were more than four miles each.

i think it might be a but you might want a second opinion

delaney would like to make a 5lb nut mixture that is 60% peanuts and 40% almonds.

she has several pounds of peanuts and several pounds of a mixture that is 20% peanuts and 80% almonds.

let 'p' represent the number of pounds of peanuts needed to make the new mixture, and  

let 'm' represent the number of pounds of the 80% almond-20% peanut mixture.

:

p + m = 5

therefore

m = (5-p)

write an equation based on the percent of peanuts

1p + .2m = .6(5)

replace m with (5-p)

p + .2(5-p) = .6(5)

p + 1 - .2p = 3

p - .2p = 3 - 1

.8p = 2

p = 2/.8

p = 2.5 lbs of peanuts required

then

5 - 2.5 = 2.5 lbs of the peanut/almond mixture required

:

a) what is the system that models this situation?

p + m = 5

1p + .2m = .6(5)

explanation:

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