Answer:number of cupcakes sold is 13
Number of cookies sold is 27
Step-by-step explanation:
Let x represent the number of cupcakes that Jane sold.
Let y represent the number of cookies that Jane sold.
Each cupcake sold for $2.25 and each cookie sold for $0.50. At the end of the day, Jean had sold $42.75 worth of cookies and cupcakes.
This means that
2.25x + 0.5y = 42.75 - - - - - - - - - -1
she sold 40 cupcakes and cookies combined, it means that
x + y = 40
Substituting x = 40 - y into equation 1, it becomes
2.25(40 - y) + 0.5y = 42.75
90 - 2.25y + 0.5y = 42.75
- 2.25y + 0.5y = 42.75 - 90
- 1.75y = - 47.25
y = - 47.35/-1.75
y = 27
x = 40 - y
x = 40-27 = 13
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Answer:
66
Step-by-step explanation:
because if you ad 60 and 6 it makes yes
Answer: False according to apex
Step-by-step explanation:
The question asks us to find the mean absolute deviation ( MAD ). We know that the mean is 3. First we have to find the distance of the each value from the mean ( and ignore minus signs ). For example: 1 - 3 = | - 2 | = 2 ( absolute value ) etc. Then we have to find the mean of their distance: MAD = ( 2 + 2 + 1 + 1 + 0 + 0 + 0 + 1 + 2 + 3 ) / 10 = 12 : 10 = 1.2. Answer: The mean absolute deviation is <span>A ) 1.2.</span>
