Ella bought 8 keychains. She spent 4 dollars on each KeyChain. Hope this helps
Answer:
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Answer:
umm, 3/4
like
bru
Step-by-step explanation:
Answer:
a=28/5 or 5.6
Step-by-step explanation:
2a/7=a-4
Multiple both sides of the equation by 7
2a=7a-28
Subtract 7a from both side
2a-7a=-28
Like Term
-5a=-26
Divide -5 from both side
a= 5.6
You can use proportion to solve this
She needs 2 graham crackers ( and other ingredients) to make 1 cookie
Crackers Cookie
2 1
20 X
Cross multiply
x=20*1/2
X= 10
