the average length of string a and string d is 10x cm . the average length of string b and string c is 8x cm . the average lengt
h of string b , c, d is 6x cm . find the length of string a is terms of x
1 answer:
Answer:
a= 18x
Step-by-step explanation:
(a+d)/2 = 10x (1)
(b +c)/2 = 8x (2)
(b+c+d)/3 = 6x (3)
From the equation 2, we have (b+c)= 8x *2 = 16x
From the equation 3, we have d= 6x*3 - (b+c)= 18x- 16x = 2x
From the equation 1, we have a= 10x*2 -d= 20x - 2x= 18x
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Divide distance walked by time:
2 1/4 miles / 2/3 hours = 3 3/8 miles per hour
Answer:
about 1/4 or 25%
Step-by-step explanation:
math bro
1/4 = 0.25
1/3 = 0.33
1/6 = 0.1666
10x10=100
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