1.25/20=1x
1.25x=20
x=20/1.25=16
1 inch=16 feet
The air force plane travelled for a total of 6.9 hours.
<u>SOLUTION:
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Given, An Air Force plane left Nairobi and flew west at an average speed of 159 mph. A cargo plane left sometime later flying in the same direction at an average speed of 207 mph. After flying for 5.3 hours the cargo plane caught up with the Air Force plane.
We have to find the number of hours the Air Force plane flew before the cargo plane caught up.
Now, we know that, 
For air force plane 
Now, when cargo plane caught the air force plane the distance travelled by the planes will be equal.
So, 
Time taken by air force plane = 6.9 hrs
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To write this as a numerical expression, you will think of the different parts of the math story that are occurring and put them together in one math statement. You have 12 books being ordered that are $9 each AND are paying a $15 shipping charge. This can be written as 12 x $9 + $15. There are 2 terms here - these are the 2 parts! Multiply 12 times 9 first to get $108, then you can add the $15 shipping fee. You can only add units that are the same, so you must multiply first. Your answer statement is a sentence that gives your final answer in a complete sentence. For example, the total cost of Lannie's order is $123.
<span>A) Participation in the spring league is increasing more than twice as fast as participation in the fall league.
this is what i believe is the answer. Parcipatation raises by 11 for spring and 3 for fall, and 11 is more than twice 3. i hope this helps! :D</span>
