Answer:
She sold 72 small photos and 54 large photos.
Step-by-step explanation:
We can set a equations system with the given information. Let X be the quantity of small photos and Z large photos.
We are told that she sold 126 photos in total, so:
X + Z = 126
Also, she earned 2,250 by selling certain quantities of small photo and large photos, so:
$2,250 = $11X + $27Z
From the first equation we get that X=126-Z, replace that into the 2nd equation:
2,250 = 11(126-Z) +27Z
2,250 = 1,386 - 11Z + 27Z
2,250 - 1,386 = 16Z
864 = 16Z
Z = 864/16
Z = 54 is the number of large photos sold. Now find X.
X = 126 - Z
X = 126 - 54
X = 72 is the number of small photos sold.
For this case we must solve the following expression:
÷
According to the PEMDAS algebraic order method, we have the following order:
P: Parenthesis
E: Exponents
MD: Multiplication and division
AS: Addition and subtraction
So, we have:
Answer:
The answer is:
Jim can buy lunch for 21 days and then he will have to get more lunch money.
The actual number is 21.23722628... so just round.
Option d- x=-5
the zero is where the line crosses the x-axis
<span>D. ry ° rx
a rotation about the origin of -180 degrees will produce the same image if you reflect by the y-axis and then reflect about the x-axis.
</span>