Solution: sum of all cards equals 50. Probability of not selecting a red card equals 12+20/50=32/50=16/25 B
Answer:
see attached image
Step-by-step explanation:
Answer:
Ram: 21, Hari: 12
Step-by-step explanation:
To solve the problem, we can use the following notation. We call:
= Ram's age at present
= Hari's age at present
We know that:
- Ram is 9 years older than Hari --> mathematically, this can be written as

- Three years ago, Ram was two times as old as Hari was --> mathematically, this can be written as

where (r-3) is Ram's age 3 years ago, while (h-3) is Hari's age 3 years ago
Substituting eq.(1) into eq.(2), we find:

So, Hari's age is 12; therefore, Ram's age is
Answer:
The volume of the prism is the area of the base times the height. So to calculate height, divide the volume of a prism by its base area. For this example, the volume of the prism is 500 and its base area is 50. Dividing 500 by 50 results in 10.
Answer:
Yes, the two ratios are proportional because they are the same ratio
Step-by-step explanation:
10/2=5
24/2=12
10/24=5/12