Mr. quark drove his car 314 miles in 6.5
hours. he used 12.7 gal of gas. find
these rates:
a. miles per hour
48.3 mph
51.6 mph
b. miles per gallon
24.7 mpg
22.5 mpg
c. gallons per mile
0.07 gal/mi
0.04 gal/mi

  a) 48.3 mph

  b) 24.7 mpg

  c) 0.04 gpm

Step-by-step explanation:

a) "per" means "divided by", so "miles per hour" means "miles divided by hours":

  (314 mi)/(6.5 h) = 48.3 mi/h

__

b) (314 mi)/(12.7 gal) = 24.7 mi/gal

__

c) (12.7 gal)/(314 mi) = 0.04 gal/mi

Hopefully, you recognize that gallons per mile is the inverse of miles per gallon:

  1/(24.7 mi/gal) = (1/24.7) gal/mi = 0.04 gal/mi

step-by-step explanation:

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-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13