2 years ago

Whole wheat bread costs$2.06/lb. How much would 3.8lb of whole wheat bread cost?'

2 answers:

8 0

2.06 times 3.8 is 7.828. You can round up the product since you can't round down, to 7.83, which then means 3.8lb of whole wheat bread would cost $7.83 in total.

A = $7.83

sergey [27]2 years ago

6 0

2.06 times 3.8 equals ($7.828).

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The value of y varies directly with x and y=3 when x=-6. Find y when x=1

Iteru [2.4K]

Hi, ok all you need to do is use the direct variation formula which is= y/x=y/x so you will replace your numbers by each value which get us to = 3/-6=y/1 so you cross multiply which gives us 3=-6y you divide 3 by -6 and that is the value of y, thank you for reading hope it helps ;)

6 0

3 years ago

Given m varies directly with n and m = 6 when n = 5. what is the value of n when m = 12?

Rashid [163]

Answer:

n = 10

Step-by-step explanation:

given m varies directly as n then the equation relating them is

m = kn ← k is the constant of variation

to find k use the condition m = 6 when n = 5

6 = 5k ( divide both sides by 5 )

k = $\frac{6}{5}$ = 1.2