Mr. Toshio lent out 11 rulers at the beginning of class, collected 4 rulers in the middle of class, and gave out 7 at the end of
2 answers:
Answer:
Mr. Toshio started with 32 rulers
Step-by-step explanation:
Let x be the number of rulers he start with
Mr. Toshio lent out 11 rulers at the beginning of class
Number of rulers - 11
He collected 4 rulers in the middle of class. So we add 4
He gave out 7 at the end of class. So we subtract 7
He had 18 at the end of the day.
Add 14 on both sides
Mr. Toshio started with 32 rulers
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Answer:
77.76 times
Step-by-step explanation:
The average distance of Neptune from the sun
= 4.503 × 10 ⁹ k m .
and Mercury = 5.791 × 10 ⁷ k m .
Hence neptune is ( 4.503 × 10 ⁹) ÷ (5.791 × 10 ⁷ ) times farther from the sun than mercury
i.e.( ) × 10⁹⁻⁷ times
= 0.7776 × 10 ² times
= 77.76 times.