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never [62]
3 years ago
9

Courtney sold 40 cantaloupes at the farmers' market and had 23 left. Which equation could be used to find x, the number of canta

loupes Courtney had originally?
Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0

Answer:

The equation that could be used to find x, the number of cantaloupes Courtney had originally is x-40=23 and the original number of cantaloupes are 63.

Step-by-step explanation:

Number of cantaloupes sold =40.

Number of cantaloupes left =23.

Let Courtney had x cantaloupes originally.

After selling 40 cantaloupes out of the total number of cantaloupes, Courtney is left with 23 cantaloupes.

So, the equation is x-40=23.

\Rightarrow x=23+40

\Rightarrow x=63

Hence, the equation that could be used to find x, the number of cantaloupes Courtney had originally is x-40=23 and the original number of cantaloupes are 63.

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3 years ago
Tim has an after-school delivery service that he provides for several small retailers in town. He uses his bicycle and charges $
nlexa [21]

Answer:

<em>$4.84</em>

<em></em>

Step-by-step explanation:

Given that

For delivery within 1\frac{1}2 mi, charges = $1.25

For delivery within 1\frac{1}2 mi - 1\frac{3}4 mi, charges = $1.70

For delivery within 1\frac{3}4 mi - 2 mi, charges = $2.15

and

so on.

i.e.

For delivery within 2 mi - 2\frac{1}4 mi, charges = $2.60

For delivery within 2\frac{1}4 mi - 2\frac{1}2 mi, charges = $3.05

For delivery within 2\frac{1}2 mi - 2\frac{3}4 mi, charges = $3.50

For delivery within 2\frac{3}4 mi - 3 mi, charges = $3.95

For delivery within 3 mi - 3\frac{1}4 mi, charges = $4.40

So, every 0.25 mi or \frac{1}4 mi increase in distance, there is an increase of $0.45 in the charges.

It is given that there is increase of 10% in the rates.

i.e. for every 0.25 mi increase in distance, there is an increase of 0.45*1.10 = $0.495 in the charges.

The distance of 3\frac{1}8 miles lies within the range 3 mi - 3\frac{1}4 mi.

So actual charges after increase of 10%

\Rightarrow \$4.40 \times \dfrac{110}{100}\\\Rightarrow \$4.40 \times 1.10\\\Rightarrow \bold{\$4.84}

6 0
3 years ago
Please help now. I’m very confused and i don’t no how to do this. I don’t want just the answer but a great explanation.
hoa [83]

Answer:

First option

Step-by-step explanation:

Hi there!

The "constant additive rate of change" means a constant slope.

The slope is \displaystyle\frac{change \hspace{4} in \hspace{4} y}{change \hspace{4} in \hspace{4} x}.

First of all, if the slope is constant, then we know immediately that it must be a linear function, a line. The change in <em>y</em> is forever the same according to the change in <em>x</em>. Knowing this, the second option is for-sure wrong (it's not a straight line).

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This is the exact case for the first option. Look at the point (-2,2) on the line. When we move 4 units to the right of that point, The line would have moved 1 unit down. We would reach the point (2,1).

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I hope this helps!

6 0
3 years ago
Solve: five more than a number is the same as twice the number. find the number.
zysi [14]
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4 years ago
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3 years ago
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