Answer:
proportionality.
Step-by-step explanation:
Constant of Porportianality.
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
1/3
2/5
Hope this helps :)
Answer:
8 billetes de 20
17 billetes de 10
Step-by-step explanation:
Answer:
7:10
Step-by-step explanation:
14/20= 7/10