Answer:
10
Step-by-step explanation:
By Basic Proportionality Theorem:
![\frac{4}{10} = \frac{x}{25} \\ \\ x = \frac{4 \times 25}{10} \\ \\ x = \frac{100}{10} \\ \\ x = 10](https://tex.z-dn.net/?f=%20%5Cfrac%7B4%7D%7B10%7D%20%20%3D%20%20%5Cfrac%7Bx%7D%7B25%7D%20%20%5C%5C%20%20%5C%5C%20x%20%3D%20%20%5Cfrac%7B4%20%5Ctimes%2025%7D%7B10%7D%20%20%5C%5C%20%20%5C%5C%20x%20%3D%20%20%5Cfrac%7B100%7D%7B10%7D%20%20%5C%5C%20%20%5C%5C%20x%20%3D%2010)
Answer:
15/7
Step-by-step explanation:
8/7 + 7/7 = 8+7 = 15
Therefore, the sum of 8/7 + 7/7 is equals to 15/7
Answer:
4
Step-by-step explanation:
because y is 90 and x is 20 so z is 71
Answer:
100
Step-by-step explanation:
Answer:
B and D
Step-by-step explanation:
Surveys are only tested with one group.