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photoshop1234 [79]
3 years ago
12

Jonah is a baker. Each morning, he makes 60 cupcakes. He gives away 5 and sells the rest. Each morning, he also makes 48 brownie

s. He gives away 4 and sells the rest. Write an expression that can be use to find how many cupcakes and brownies Jonah sells in 7 days.
Mathematics
2 answers:
Brrunno [24]3 years ago
8 0


you could use 7(60-5)+7(48-4)


Sergio [31]3 years ago
8 0

Answer:

7((60-5)+(48-4))


Step-by-step explanation:


<u>Cupcakes:</u>

Jonah bakes 60 everyday. So he has 60.

Gives away 5. Now he has 60-5=55

<u>Brownies:</u>

Jonah bakes 48 everyday. So he has 48.

Gives away 4. Now he has 48-4=44


<em>Each day Jonah sells 55+44=99 cupcakes and brownies. So, in 7 days, he will sell 7(99) brownies and cupcakes.</em>

<em>The expression to evaluate would be 7((60-5)+(48-4))</em>

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The table shows the ratio between the number of books ordered and their cost: Find equivalent ratios when the number of books or
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Answer:

The answer is below

Step-by-step explanation:

The table shows the ratio between the number of books ordered and their cost: Number of Books Cost (dollars) 7 21 8 24 9 27 Find equivalent ratios when the number of books ordered is 1, 2, and 3. Write them as ordered pairs in the form (x-coordinate, y-coordinate). Starting from the origin, explain how to plot the three equivalent ratios on a coordinate grid.

Answer: Let the number of books be represented as x and the cost (dollars) be represented as y. From the table the ordered pairs in the form (x, y) can be gotten. (7, 21), (8, 24), (9, 27). To get the relationship between the number of books and the cost, we can use the formula of a straight line.

Using point (7, 21) and (8, 24):

y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\y-21=\frac{24-21}{8-7}(x-7)\\ \\y-21=3(x-7)\\\\y=3x-21+21\\\\y=3x

When the number of books ordered is 1, 2, 3 the following pairs are:

For x = 1.     y = 3x = 3(1) = 3

For x = 2     y=3x = 3(2) = 6

For x = 3     y = 3x = 3(3) = 9

The ordered pairs are (1, 3), (2, 6), (3, 9)

The graph is attached

To plot the ordered pairs, the number of books are plotted on the x coordinate and the cost on the y coordinate  

8 0
3 years ago
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Given that Jerry mows 3/20 yards of lawn in 1/6 hour.

Now we have to found how much Jerry can mow per hour.

We know that "work" and "time" are in direct proportion so we can setup the ratio of work and time to easily find the required work.

\frac{Portion \; \; of  \; \; lawn  \; \; mowed}{time}=\frac{\frac{3}{20}}{\frac{1}{6}}

\frac{Portion \; \; of  \; \; lawn  \; \; mowed}{1}=\frac{\frac{3}{20}}{\frac{1}{6}}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{3}{20}*\frac{6}{1}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{18}{20}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{9}{10}

Hence final answer is \frac{9}{10} yards.

4 0
3 years ago
Read 2 more answers
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