3x - 5 = 7
3 x 4 = 12
12 - 5 = 7
So x is 4
<u>Answer</u><u>:</u>
<u> </u><u>First</u><u> </u><u>option=$13950 is correct.</u>
<u>Why</u><u>?</u>
<u>Total</u><u> </u><u>other</u><u> </u><u>cost</u><u> </u><u>=</u><u>$</u><u>1</u><u>5</u><u>5</u><u>0</u><u>0</u>
<u>1</u><u>0</u><u>%</u><u> </u><u>saving</u><u> </u><u>on</u><u> </u><u>other</u><u> </u><u>cost</u>
=10% × $15500
=$1550
<u>So total cost target on other cost for next month</u>
=$15500-$1550
=$13950
The rate in miles per hour is: 7.5
First you would multiply 60 by 60 because there is 60 minutes in an hour and 60 seconds in a minute. Then you would multiply by 11 then divide by 5280 because there’s 5280 feet in a mile
In 3 hours they would travel: 22.5 miles
You would multiply 7.5 times 3
Its 7xy/1y I understand it its pretty easy