10
1240 x 10 = 12400
12400 = 12400
Mary added
cups of sugar.
<h3>
How to estimate how much sugar should Mary add?</h3>
The ratio of flour to sugar exists at 9 cups: 2 4/7 cups
Utilizing equivalent ratios, given that 7 cups of sugar was utilized,
Let cups of flour needed = x such that our equation becomes
flour/sugar
Convert mixed numbers into improper fractions

simplifying the above equation, we get

= 
x = 24.5
The value of x = 24.5.
Therefore,
cups of sugar exist required.
To learn more about improper fractions refer to:
brainly.com/question/387381
#SPJ9
Answer:
The y
Step-by-step explanation:
3x+2x is 5x so where did the y come from.
Answer:
8
Step-by-step explanation:
Hope that helps
Y=4(x-3)+6 is the form that is easiest to get then you can multiply it out and get y=4x-6 can rearrange to the standard form which would be y-4x=-6 because in standard form the x and y are on the same side