Given:
3 teaspoons of salt for every 5 cups of flour.
How much salt is needed for 15 cups of flour?
This is a proportion problem:
a/b = c/d where ad = bc
3/5 = x/15
3*15 = 5x
45 = 5x
45/5 = x
9 = x
C. 9 teaspoons of salt is needed for 15 cups of flour.
3/5 = 9/15
3*15 = 5*9
45 = 45
Answer:
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Step-by-step explanation:
The Answer is 158
Answer:
140
Step-by-step explanation:
Answer:
17.25/3 = 5.75
Step-by-step explanation:
You divide 17.25 by 3.
It equals 5.75. Each friend has 5.75 on spend on brunch.
Toast is $1. Orange Juice is $1.75. Eggs are $2.
Hope this helps.
Substitute -3 to x
(-3)^2 + 4(-3) + 1
9 - 12 + 1
= -2
