Mohamed by 31 cups of coffee each week. if a cup of coffee cost d dollars and mohammed by approximately the same number of coffee each day, which would be a mathematical way to express the amount of money the mohamed spend on coffee each day?

Step-by-step explanation:

Given,

The number of cups bought by Mohamed in each week = 31,

Since, he buys approximately the same number of coffee each day,

Also, 1 week = 7 days,

So, the number of cups bought in one day =

If D represents the cost of each cup of coffee,

Thus, the spending on coffee each day  =

Which is the required mathematical way to express.

ab will be equal to