Answer:
6. 11.25 miles
7. The Mall; 1.13
8. No, because a one-way there is 17.3 miles.
9. 6.37 miles
10. No, it is 7.77 miles away from his home.
Step-by-step explanation:
Because they're consecutive, it means that the first one is x, the second one is x+1, the third one is x+2 (x+1+1), and the fourth one is x+3. Because we're given that the sum of all of them is 682, just add all of them together:
x+(x+1)+(x+2)+(x+3)=682
x+x+x+x+1+2+3=682
4x+6=682
4x+6-6=682-6
4x=676
x=676/4
x=169
Thus, the consecutive integers are: 169, 170, 171, 172
Answer:
20%
Step-by-step explanation:
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We'll work in pounds.
Income on the 80%:
75 * 0.80 * 0.80 = 48 pounds
Income on the 20%:
75 * 0.20 * (2/3) = 10 pounds
Profit = 48 + 10 - 35 = 23 pounds
Margin is profit over sales; percentage profit is profit over cost
PP = 23 / 35 = 65.7%
