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stuart50
01.11.2019 •
Mathematics
Assume that the number of defective basketballs produced is related by a linear equation to the total number produced. suppose that 9 defective balls are produced in a lot of 225, and 14 defective balls are produced in a lot of 350. find the number of defective balls produced in a lot of 550 balls.
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Ответ:
22 defective balls
Step-by-step explanation:
Using the law of equality,
9 defective balls = 225 ...eqn 1.
14 defective balls = 350...eqn 2
x defective balls = 550...eqn 3
We can use any two of the equations above to get the unknown variable 'x'
Using equations 2 and 3,
14 defective balls = 350...eqn 2
x defective balls = 550...eqn 3
We cross multiply to have
x×350 = 14×550
Dividing both sides by 350,
x = 14×550/350
x = 22.
Therefore, the number of defective balls produced in a lot of 550 balls are 22balls.
Note that we will still arrive at the same answer (22balls) if equation 1 and 3 are used for our solution.
Thank you!
Ответ:
4
Step-by-step explanation: