Answer:
9 9/20
Step-by-step explanation:
4 1/5 * 2 1/4
Change the mixed nubers to improper fractions
4 1/5 = (5*4+1)/5 = 21/5
2 1/4 = (4*2+1) /4 = 9/4
21/5 * 9/4 = 189/20
Now we change it back to a mixed number
20 goes into 189 9 times (20*9 = 180 with 9 left over)
9 9/20
Answer:
Step-by-step explanation:
Part A:
C = 10t + s
Part B:
10(3) + 8
30 + 8 = $38
Number of glass can serve is 48 glass
<u>Given:</u>
Number of drink mix package = 3
Quantity of each package = 64 oz
Number of lemonade bottle = 4
Quantity of each lemonade bottle = 48 oz
Quantity of each glass = 6 oz
<u>Find:</u>
Number of glass can serve
<u>Computation:</u>
Total quantity of mix drink = 3 × 64
Total quantity of mix drink = 192 oz
Total quantity of lemonade = 2 × 48
Total quantity of mix drink = 96 oz
Total drink = 192 + 96
Total drink = 288 oz
Number of glass can serve = Total drink / Quantity of each glass
Number of glass can serve = 288 / 6
Number of glass can serve = 48 glass
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16.2 + -8.4 = 7.8 is your Answer
Answer:
0.75 = 75% probability that he will have to wait at a red light for more than 15 seconds
Step-by-step explanation:
At each second, the stoplight is equally likely to change, which means that we use the uniform probability distribution to solve this question.
Uniform probability distribution:
Has two bounds, a and b. The probability of finding a value higher than x is given by:

Red for 60 seconds
So when Jamal arrives it can change in any number of seconds between 0 and 60, that is, 
Probability that he will have to wait at a red light for more than 15 seconds?

0.75 = 75% probability that he will have to wait at a red light for more than 15 seconds