Let n be the number. The difference of the number and six is n-6. Then three times the difference of the number and six is 3·(n-6). This number 3·(n-6) increased by four times the number n, then
3·(n-6)=4·n.
Solve it:
3·n-3·6=4n,
3n-4n=18,
-n=18,
n=-18.
Answer: n=-18 and expression is 3·(n-6)=4·n.
Answer:x=7.11 or -2.11
Step-by-step explanation:
Answer:
they skided 242 feet
Step-by-step explanation:
Answer: Multiply all the coordinates by 3.
Step-by-step explanation:
(a)______________________
| 1 | 2 | 3 | 4 |
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Health | 7 | 14 | 21 | 28 |
Fire | 12 | 24 | 36 | 48 |
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(b) In 84 days, both inspectors will visit on the same day, because the LCM (least common multiple) of 7 and 12 is 84