Answer:
$87.60
Step-by-step explanation:
Assuming that mary is on a fixed income rate, we can calculate that Mary is making approximately $5.84 per week.
17.50 / 3 = 5.833333.... -> <em>5.84</em>
Now we multiply this number by 15 to get the amount of money she saves over this time.
5.84 * 15 = <em>87.6</em>
<em>So, we can see that Mary has saved $87.60 in 15 weeks.</em>
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The ratio of bows to headbands is 8:4. This means that for every 8 bows, there are 4 headbands, Then, a true statement is the second option.
Since there are 8 bows + 4headbands = 12 accessories, this also implies that for every 12 hair accesories, there are 4 headbands. This solution corresponds to the last option.
Hence, the true statements are the second and last options.
Because each of these angles are 90 degrees, we know they're each equal to each other.
Let's find the value of the variable y first.
We can use 5y - 17 = 2y + 50 to find the value of y.
5y - 17 = 2y + 50
-2y from both sides
3y - 17 = 50
+17 to both sides
3y = 67
Divide both sides by 3
y = 22.33
Now we need to find the value of x.
x + 44 = 7x - 248
-x from both sides
44 = 6x - 248
+248 to both sides
292 = 6x
Divide both sides by 6
x = 48.67
And there's your variables.
y = 22.33
x = 48.67
2.25p + 119.75 = 500
2.25p = 380.25
p = 169
169 pastries per day equal $380.75 + $119.75 of fixed costs equal to exactly $500
