Answer:
a) eight and seven ninths minus three and four sixths
Step-by-step explanation:
The required result is 
a)

b)

c)

d)

The decimal with one more tenth than 15.237 . . .
15.237 + 0.1 = 15.337
The answer is 50 because the formula for the area of a triangle is base x hight x 1/2. So if we plug both the 10s into the formula you get 10x10 which = 100 then divide that by 2 and you get 50. Hope it helps :)
Answer:
200 / (3.14*(28/12)) = 27.3
Step-by-step explanation:
For this case, the first thing we must do is define variables:
x: number of pillowcases
y: number of sheets
We now write the system of equations:
2x + 5y = 40
x = 2y
Solving the system we have:
x = 8.9
y = 4.4
Answer:
The maximum number of pillowcases she could have purchased is:
x = 8 (spent less than $ 40)