12:16= 3:4 when simplified
12-9=3
16-9=5
When subtracting 9 from each the new ratio is 3:5
Hope this helps!
Answer:
Step-by-step explanation:
(12 dollars)/(8 cups) = (12/8 dollars)/cup = (1.5 dollars)/cup
21 dollars × (1 cup)/(1.5 dollars) = 21/1.5 cups = 14 cups
Answer:
it is either the dice or the cups
Step-by-step explanation:
Answer:
38 miles
Step-by-step explanation:
Given,
The speed of Doreen = 9 miles per hour,
Since,
So, the distance covered by Doreen in 2 hours = 9 × 2 = 18 miles,
∵ Doreen speed is 90% of Irena's speed.
I.e. 90% of Irana's speed = 9 miles per hour
,
Thus, the distance covered by Irana in 2 hours = 10 × 2 = 20 miles
Hence, the distance between their houses = distance covered by Doreen in 2 hours + distance covered by Irana in 2 hours
= 18 + 20
= 38 miles