In order to maintain a healthy weight, an average adult dog that weighs 21 kilograms must consume 11 grams of dog food per kilogram of its body weight each day. A specialty pet store sells dog food by the cup, where 4 cups of dog food weighs 356 grams.
About how many cups of dog food should the dog consume each day in order to maintain a healthy weight?
A. 2.60
B. 0.39
C. 2.75
D. 0.65

37/3

step-by-step explanation:

step 1: simplify both sides of the equation.

7x+8(x+

1

4

)=3(6x−9)−8

7x+(8)(x)+(8)(

1

4

)=(3)(6x)+(3)(−9)+−8(distribute)

7x+8x+2=18x+−27+−8

(7x+8x)+(2)=(18x)+(−27+−8)(combine like terms)

15x+2=18x+−35

15x+2=18x−35

tep 2: subtract 18x from both sides.

15x+2−18x=18x−35−18x

−3x+2=−35

step 3: subtract 2 from both sides.

−3x+2−2=−35−2

−3x=−37

step 4: divide both sides by -3.

−3x

−3

=

−37

−3

x=

37

3

coins of silver or gold

step-by-step explanation:

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