Answer:
Mandy will take 67.5 mins to complete the 15 km race.
Step-by-step explanation:
Given:
Mandy runs 4 km in 18 min
She plans to run in a 15 km race.
We need to find how much time required to run 15 km.
4 km =18 min
15 km = time required for 15 km race
By Using Unitary method we get,
Time required for 15 km =
Hence time required by Mandy to complete 15 km race is 67.5 mins.
Brandy solved 1/6÷ 5 by using a related multiplication expression. which multiplication expression did she use
<h3><u>Answer:</u></h3>The expression that she can use is
<em><u>Given that Brandy solved the following expression</u></em>
We have to find the multiplication expression she used
From given expression,
We can convert the division symbol to multiplication
Convert the fraction division process to a multiplication process by using the following steps:
Change the “÷” (division sign) to “x” (multiplication sign) and invert the number to the right of the sign.
Multiply the numerators. Multiply the denominators
Therefore,
Thus, the expression that she can use is