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Answer:
There are 21 skateboards and bicycles in the shop.
A bicycle has two wheels, and a skateboard has four wheels
54 new wheels are needed
Number of bicycles = 15
Number of skateboards = 6
Step-by-step explanation:
Number of bicycles and skateboards = 21
Number of new wheels ordered = 54
Number of wheels in a bicycle = 2
Number of wheels in a skateboard = 4
Number of skateboards and bicycles in shop?
Let number of bicycles = b
Number of skateboards = s
b + s = 21 - - - (1)
(2*b) + (4*s) = 54
2b + 4s = 54 - - - - - - (2)
From (1)
b = 21 - s
2(21 - s) + 4s = 54
42 - 2s + 4s = 54
42 + 2s = 54
2s = 54 - 42
2s = 12
s = 6
From : b = 21 - s
b = 21 - 6
b = 15
Number of bicycles = 15
Number of skateboards = 6
Answer:
Meena's is 5 and her father is 30
Step-by-step explanation:
x+5+6x+5=2x+6x+5
x+6x-2x-6x=5-5-5
-x =-5
x =5 Meena
6*5
=30 Her father's age
Have a good day and stay safe!
Answer: 11
Step-by-step explanation: write the equation.
2(x+4)=30
Divide by 2
x+4=15
Subtract 4
x=11
Answer:
Step-by-step explanation: