<span>4x – 20 = 900
4x = 900+20
4x = 920
x = 920/4
x = 230
he earned $230
</span>
9 rolls* (3 cups of flour/ 27 dinner rolls)= 1 cup of flour.
1 cup of flour is needed to make 9 rolls~
Hey there! :)
Answer:
29/28.
Step-by-step explanation:
Starting with:

Begin by finding a common denominator. A number that contains all of the denominators as a factor would be 28. Change each fraction to contain a denominator of 28:

Add the fractions:

Therefore, the fractions sum up to 29/28.