Kelly is knitting a scarf for her brother. It took her 1/3 hour to knit 3/8 foot of a scarf. How fast is Kelly’s knitting speed, in feet per hour?

9/8 feet per hour fast is Kelly's knitting speed

Step-by-step explanation:

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93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

hope this

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.