Traveling at 65 miles per hour, how many minutes, rounded to the nearest whole number, does it take

10 answers
Question:

Traveling at 65 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 125 miles from san diego to malibu?

Answers

[tex]1h=60min\\\\65\ mi\ -\ 1\ h=60\ min\\\\125\ mi-\ x\ min\\\\cross\ multiply\\\\65\cdot x=125\cdot60\\\\65x=7500\ \ \ |divide\ both\ sides\ by\ 65\\\\x=\dfrac{7500}{65}\approx115\\\\\boxed{115\ min}[/tex]

1.a
2.c
3.b
4.784
5.part a: coefficient: 75     variable: d   constant: 25
part b: 75d+8w+25=
75*5+8*48+25=
375+384+25=
759+25=
784
part c: the constant would change, because there is no variable attached to the number.

125/65=1.92 hours=115.2min=115min

65 miles per hour mean 65 miles per 60 minutes 

65 miles per 60 minutes 
5 miles per x minute 


 x = 5*60/65 = 300/65 = 4,6 min.

5 miles per 4,6 min.
125 miles per x min.


  x = 125*4,6/5 = 25*4,6 = 115 min. = 1 h. 55 min. 

hope this will help you 

[tex]\frac{125}{65}*60\\\frac{25}{13}*60\\\frac{1500}{13}\\115[/tex]

1. 115 minutes

[tex]4a^4-2b^2+40\\4(2)^4-2(7)^2+40\\4(16)-2(49)+40\\64-98+40\\6[/tex]

2. 6

3a. 50 or 15; h or c; 50.

[tex]10.5(37)+15(12)+50\\388.5+180+50\\618.5[/tex]

3b. $618.50

3c. Coefficient. 10.50 would change to 11.25 to reflect his new earnings.

[tex]\frac{125}{65}*60\\\frac{25}{13}*60\\\frac{1500}{13}\\115[/tex]

1. 115 minutes

[tex]4a^4-2b^2+40\\4(2)^4-2(7)^2+40\\4(16)-2(49)+40\\64-98+40\\6[/tex]

2. 6

3a. 50 or 15; h or c; 50.

[tex]10.5(37)+15(12)+50\\388.5+180+50\\618.5[/tex]

3b. $618.50

3c. Coefficient. 10.50 would change to 11.25 to reflect his new earnings.

65 miles per hour meaning 65 miles in 60 minutes

65/60 = 1.083mile per minute

125/ 1.083 = 115.4 minutes to drive from san diego to malibu

check

115.4 x 1.083 = 124.97 (round up)

= 125

therefore it takes 115.4 minutes to drive from San Diego to Malibu

divide total miles by speed

125/65 = 1.923 hours

there are 60 minutes per hour

multiply 1.923*60 = 115.384 minutes

 rounded off to nearest whole number = 115 minutes

If u doing 65 miles per hour then u will get there in 82 miles 

It should take 115 minutes

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