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3 years ago

Amal can run 1/8 mile in 1 1/2 minutes if he can maintain that pace how long will it take him to run 1 mile

Mathematics

2 answers:

DerKrebs [107]3 years ago

6 0

the answer would be 12 minutes to complete the mile.

Alexeev081 [22]3 years ago

5 0

Answer:

Time taken to travel 1 mile =12 minutes

Step-by-step explanation:

Amal can run 1/8 mile in 1 1/2 minutes.

$\texttt{Distance ran by Amal =}\frac{1}{8}miles$

$\texttt{Time taken =}1\frac{1}{2}=\frac{1\times 2+1}{2}=\frac{3}{2}minutes$

We need to find how many minutes did he take to run one mile,

$\texttt{ He travels }\frac{1}{8}miles\texttt{ in }\frac{3}{2}minutes$

Time taken to travel 1 mile is given by

$t=\frac{3}{2}\times \frac{8}{1}=12minutes$

Time taken to travel 1 mile =12 minutes

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Willie and anjali each improved their yards by planting daylilies and ivy. They bought their supplies from the same store. Willi

Fiesta28 [93]

Answer:the cost of one day lily = $9 and cost of one pot of ivy = $2

Step-by-step explanation:

Step 1

let day lilies be rep as d

and ivy be represented as i

So that The expression for what Willie spent on 12 day lilies and 4 pots of ivy = $116 be

12 d+ 4i = 116 ---- equation 1

and for Anjali spending $60 on 6 day lilies and 3 pots of ivy be

6d+ 3i = $60------ equation 2

Step 2 --- Solving

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6d+ 3i = $60------ equation 2

Multiply equation 2 by (2) and subtracting equation 1 from it

12d+ 6i= 120

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i = 4/2 = 2

TO find d, putting the value of i = 2 in equation 1 and solving

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12d= 108

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Therefore the cost of one day lily = $9 and cost of one pot of ivy = $2

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Read 2 more answers

Suppose that w and t vary inversely and that t = 5/12

Svetlanka [38]

Answer:

Option B. t=5/3w ;1/3

Step-by-step explanation:

We are told that $w$ varies Inversely with $t$ thus generally speaking $w$ ∝ $\frac{1}{t}$ since they are inverted, <u>otherwise</u> if they were proportionally varied then $w$ ∝ $t$ . This means that there is a constant value ( $a$ ) for which $w$ is inversely proportional to $t$ and can be mathematically expressed as:

$w=\frac{a}{t}$ Eqn. (1)

Now since we are given the values of $w=4$ and $t=\frac{5}{12}$ , we can plug them in Eqn. (1) and find our constant of proportionality $a$ as follow: