3steves
05.02.2022 •
Mathematics
The ratio of marbles to sticks is 5:8. The ratio of sticks to stones is 5:7. What is the reduced ratio of marbles to stones?
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Ответ:
Step-by-step explanation:
Let the marbles = x, sticks = y, stones = z.
Given:
x / y = 5/ 8and
y / z = 5/ 7Solve for x and z as per above ratios:
x = 5y / 8z = 7y / 5Find the ratio:
x / z = 5y / 8 ÷ 7y / 5x/ z = 5y / 8 × 5 / 7yx / z = 25 / 56Ответ:
Bobby’s interquartile range is 113, while Amelia’s is 179. A lower interquartile range means Bobby’s scores are closer to the median.
Step-by-step explanation: