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julia-pushkina [17]
3 years ago
7

Mr. gilligan went to JD's deli to get breakfast. he got a JD Special for $3.75 and a coffee for $1.50. if he leaves an 18% tip,

how much money did mr. gilligan spend on breakfast this morning?
a.) what was the amount of the tip? $____
b.) what was the total amount that mr. gilligan spent on breakfast? $____
Mathematics
2 answers:
Advocard [28]3 years ago
5 0

Answer:

12 next answer 47

Step-by-step explanation:

sveta [45]3 years ago
5 0

Answer:

A. 0.765

B. 5.015

I dont know if your supposed to round so here is the unrounded version :)

Step-by-step explanation:

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I need the answer pls
AleksAgata [21]

the answer is 32.........

8 0
2 years ago
A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters o
ladessa [460]
X = amount of the 18% solution

y = amount of the 40% solution

we know the 18% solution has only 18% of alcohol, the rest is maybe water or something, now, how many liters is 18%?  well, 18% of anything is just (18/100) * anything, so, 18% of x is just (18/100) *x or 0.18x, and that's how many liters are there.

likewise, how many liters are there in the 40% solution?  well, (40/100) * y, or 0.4y, that many.

we know the mixture has to yield 10 liters at 20% alcohol, how many liters of only alcohol is that?  well, (20/100) * 10, or 2 liters.

\bf \begin{array}{lccclll}
&\stackrel{liters}{amount}&\stackrel{alcohol~\%}{quantity}&\stackrel{liters}{alcohol}\\
&------&------&------\\
\textit{18\% solution}&x&0.18&0.18x\\
\textit{40\% solution}&y&0.40&0.4y\\
------&------&------&------\\
mixture&10&0.20&2
\end{array}

\bf \begin{cases}
x+y=10\implies \boxed{y}=10-x\\
0.18x+0.4y=2\\
----------\\
0.18x+0.4\left( \boxed{10-x} \right)=2
\end{cases}
\\\\\\
0.18x-0.4x+4=2\implies -0.22x=-2
\\\\\\
x=\cfrac{-2}{-0.22}\implies x=\cfrac{100}{11}\implies x=9\frac{1}{11}

how much of the 40% solution?  well y = 10 - x
3 0
3 years ago
HELPPP
kupik [55]
Your answer is 10 pieces
3 0
3 years ago
How to find a unit rate 305 rotation in 5 minutes
wariber [46]
A unit rate will always end up having one as its denominator so divide 305 by 5 which is 61 rotations/1 minute.
3 0
3 years ago
3. What is wrong with the following statement? If d/e = f, then d multiplied by f = e.f should be divided by e.F and e should be
Molodets [167]

the initial statement is:

\frac{d}{e}=f

and then:

d\cdot f=e

So the second statement is false because f should be multiply by e, not by d so is option C)

4 0
1 year ago
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