No, she did the right way!!!!!
Answer:
$148.75
Step-by-step explanation:
$175 · 15% = $26.25
$175 - $26.25 = $148.75
-2/15=13/15
Step-by-step explanation:
2/3-4/5=13/15
2/15=13/15
They both equal 78 degrees because they are the same angle which means that they have the same degrees for f and e.
The number of grams is 20 grams
Let x represent how many grams of a 15 percent alcohol solution
15%x+30%.40/x+40
=25%
0.15x+0.4.30=0.25 (x+40)
0.15x+12=0.25x+10
0.15x-0.25x=10+12
-0.1x=-2
x=-2/-0.1
x=20
Inconclusion The number of grams is 20 grams
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