David made 30 cups of tea per hour. David worked for D hours. In D hours, he made 30D cups of tea. Then he made an additional 10 cups of tea, so this week, he made 30D + 10 cups of tea.
Andrew made 35 cups of coffee per hour. Andrew worked for A hours. In A hours, he made 35A cups of tea.
The total cups of tea and coffee made this week is:
30D + 10 + 35A
Step-by-step explanation:
OK so add the 66 and the square=90, so add 66 and 90 then subtract it from 180 and then you will get x
Complete Question
Yana though of a number she multiplied it by 8 subtracted 4 divided the result by 2, and got 30. What number did Yana think of
Answer:

Step-by-step explanation:
From the question we are told that:
Thought of Number x
Multiplied it by 8

Subtracted 4

Divided the result by 2

Generally the equation for x is mathematically given by




Answer:
15/100 this is the fraction for 15%
Subs x = -5 into f(x) = 4
f(-5) = 4 (answer)