Answer
Due to the lack of diagram I cannot give a proper answer
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
A]
7*5 = 35+15 = 50
10*70 = 70 +14 = 85
15*7 = 105 +15 = 120
20*7 = 140+15 = 155
B]8.50*5 = 42.5
C]10*5 = 50
10*10 = 100
D] = 8*5 = 40 +10 = 50
10*8 = 80+10 = 90
Working out the expression 7(3ˣ) is first to calculate the value of 3ˣ then multiply the answer to 7.
For example, let x = 2
Then 7(3ˣ) = 7(3²) = 7 × 9 = 63
With the same value of x = 2, calculating 21ˣ = 21² = 441, which isn't the same answer with the expression 7(3ˣ)
I hope this helps you.
4/10 = .4
3/8 = .375
.4 > .375, so Clara will reach more people
Another way to look at it:
4/10 * 40 to 4 * 4 = 16 people reached
3/8 * 40 to 3 * 5 = 15 people reached
Answer:
8:45
Step-by-step explanation:
279 divided by 62 is 4.5
4.5 hours or 4 hours and 30 min plus 45 min break is 5 hours and 15 min
so need to leave by 8:45
