1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nata [24]
3 years ago
9

Salena, Justin, and Brandon were riding their bikes to the library after school. The library is 12 1/2 miles from school. Salena

rides her bike 2 1/2 miles every five minutes. Justin rides his bike 5 3/4 miles every 12 minutes. Brandon rides his bike 114 miles every 258 minutes. Who got to the library first? *
Mathematics
1 answer:
faust18 [17]3 years ago
3 0

Answer:

Salena's got to the library first

Step-by-step explanation:

12½ miles = 25/2 miles

2½ miles = 5/2 miles

5¾ miles = 23/4 miles

114 miles = 114 miles

Salena's time of arrival =

if 5/2 miles : 5 minutes

then 25/2 miles : ?

25/2 ÷ 5/2. × 5

25/2 × 2/5 × 5

25 minutes

Justin 's time of arrival=

if 23/4 miles : 12 minutes

25/2 miles : ?

25/2 ÷ 23/4 ×12

25/2 × 4/23 ×12

26 minutes approximately

Brandon 's time of arrival=

if 114 miles : 258 minutes

25/2 miles : ?

25/2 ÷114 ×258

25/2 × 1/114×258

25 × 1/57 × 258

113 minutes approximately

You might be interested in
Given that AC = 15, AB = 27.8, and point C is between A and B, what is the length of ?
yKpoI14uk [10]
It is most definetly A. the others wouldn't make any sense.
8 0
3 years ago
The show 14 / 6 on a number line
Serhud [2]
I drew this by hand. sorry I it does not help.

3 0
3 years ago
Generate the first 7 terms of the sequence defined by Q = 3n+ 5.​
d1i1m1o1n [39]

Answer:

8,11,14,17,20,23,26

Step-by-step explanation:

Q = 3n+ 5

an=3n+5

a1=3(1)+5=8

a2=3(2)+5=11

a(3)=3(3)+5=14

a4=3(4)+5=17

a5=3(5)+5=20

a6=23

a7=26

8 0
3 years ago
Which system of equations is represented by the graph? Picture attached
STatiana [176]
None


the slope of the suggested lines is either 1 or -1
and none of the equal to the slope of the red line in the graph wichc is 2
6 0
3 years ago
Read 2 more answers
Roulette is a casino game that involves players betting on where a ball will land on a spinning wheel. An American roulette whee
nikitadnepr [17]

Answer:   -0.053

Step-by-step explanation:

1•(18/38) + -1 •(20/18) = -0.053

3 0
3 years ago
Read 2 more answers
Other questions:
  • This is worth 20 points please help now it is an emergency. Please do 1 through 10
    14·1 answer
  • Select true statements. (-10x^(2)+5x+3)/(2x^(2)+4)
    6·2 answers
  • IN AN ELECTION,10% OF THE VOTES WERE DECLARED INVALID. IF A CANDIDATE GOT 40% OF A VALID VOTES AND IF THE TOTAL NUMBER OF VOTES
    15·1 answer
  • Fred got a score of 68 on the test. Enter a division sentence using negative numbers where the quotient represents the number of
    13·2 answers
  • a bank offers a home improvement loan with simple interest at an annual rate of 12% j.t. borrow $14000 over a period of 3 years
    12·1 answer
  • Can someone please explain to me how to solve #7?
    6·1 answer
  • william bought paint brushes for his remodeling project.He saw 3 shelves with 6 paint brushes on each shelf.The paintbrushes are
    15·1 answer
  • A scale drawing of a square object has a scale of 1 in. : 8 mm. The scale drawing has a length of 6 inches. Find the perimeter a
    7·1 answer
  • Andrew is growing tomato plants in his garden. The line plot below shows the
    6·1 answer
  • Determine wether the graph shows a positive correlation, negative correlation, or no correlation. If there is a positive or nega
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!