Alex usually runs for 21 hours a week,

1 answer:

wel3 years ago

5 0

Alex runs 21 hours a week.
Since, a week has 7 days, he runs, 21 hours in 7 days.
Now,
In 7 days, Alex runs 21 hours
In 1 day, Alex runs 21 / 7 hours
= 3 hours
In 3 days, Alex runs 3 * 3 hours
= 9 hours.

So, If he is unable to run for 3 days, he loses 9 hours of his training time.

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Lcm of 10, 20 and 110

mart [117]

Answer:

220

Step-by-step explanation:

110 cannot be the lcm for 20 but 10 and 110

so 220 can be the lcm for 20, 10, and 110

hope this helps

6 0

3 years ago

A recipe for beef stew calls for 1 pound of beef and 3 potatoes the recipe is doubled to include 2 pounds of beef and 6 potatoes

Lerok [7]

Pounds of beef and potatoes are in ratio or proportion of $\frac{1}{3}$ .

<u>Step-by-step explanation:</u>

Correct Question: A recipe for beef stew calls for 1 pound of beef and 3 potatoes. The recipe is doubled to include 2 pounds of beef and 6 potatoes. Which proportion represents the situation?

We have , A recipe for beef stew calls for 1 pound of beef and 3 potatoes , i.e.

Number of beef stew calls = 1

Number of potatoes = 3

Now , The recipe is doubled to include 2 pounds of beef and 6 potatoes i.e. for every 2 pounds of beef we have 6 potatoes

⇒ $2/6$