Pls give us model to this question:Joanne earns $720 a week. She spends 1/3 of her money on groceries and household goods and 3/4 of the remaining money on rent. How much money does she spends on rent, groceries and household goods.
Answers
Groceries and hhold goods = 240
Given:
Weekly pay = 720
Groceries and household goods = 1/3 of weekly pay
Rent = 3/4 of money net from groceries.
720 * 1/3 = (720*1)/3 = 240 groceries and household goods
720 - 240 = 480 remaining money for rent
480 * 3/4 = (480*3)/4 = 1440/4 = 360 rental payment
480 - 360 = 120 remaining money.
Joanne spends 360 for rent and 240 for groceries and hhold goods.
720.00 - $239.76 = 480. 24
$480.24 x .75 ( 3/4 is the same as 75%) = $360.18
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b. If the box is to be made out of wood that costs $4 per square foot, which of your designs would be less expensive to produce? Explain.
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Now, if our volume is 24 ft³, then the 3 dimensions of the box must multiply to make 24. We want to make two designs, so let's think of some possible dimensions.
Let's say...2 × 2 × 6 and 2 × 3 × 4.
You should be able to sketch boxes and label the sides. Just draw two rectangles and draw lines between all of the points. (see attached for reference)
Now all we have to do is find the surface area. Plug in our width, length, and height and solve.
First box
SA = 2wl + 2wh + 2hl
SA = 2×2×2 + 2×2×6 + 2×2×6
SA = 8 + 24 + 24
SA = 56
Second box
SA = 2wl + 2wh + 2hl
SA = 2×2×3 + 2×2×4 + 2×3×4
SA = 12 + 16 + 24
SA = 52
At $4 / ft²...
56 ft² = $224
52 ft² = $208
The second box is less expensive to produce because it has less surface area and therefore less wood needed to build the sides of the box.
Answers
(8/9)*x = (4/9)*x+8 // - (4/9)*x+8
(8/9)*x-((4/9)*x)-8 = 0
(8/9)*x+(-4/9)*x-8 = 0
4/9*x-8 = 0 // + 8
4/9*x = 8 // : 4/9
x = 8/4/9
x = 18
x = 18
steps:
subtract 4/9 from both sides and you have
4/9x=8
then divide 8 by 4/9 (or multiply by the reciprocal 9/4)
9x8= 72
4x1 =4
72/4 simplifies down to 18
x=18
Hope this Helped!!
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hope this helps :)
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Its C because unit price is the cost per unit, and to find the unit price, divide the price by the number of units. For example, to find the unit price of 16 ounces of soup that costs $3.20, divide $3.20 by 16 ounces, to get $0.20 per ounce
Answers
Answer:
45
Step-by-step explanation:
6 × 3 = 18
9 × 3 = 27
18 + 27 = 45
9+ 9 = 18 + 9 = 27
6 + 6 = 12 + 6 = 18
27 + 18 = 45