The cost of eight spoons is 4 dollars. How much do 6 spoons cost?
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the cost of 1 book is:
18:6=3(dollars)
so the cost of 8 books is:
8 *3=24(dollars)
1. How much is a bowl of noodles?,.What is the prize of your hat?.
mik làm đc 1 câu thui
1. How much does your new hat cost?
- What is the price of your new hat?
2. How much does her shoes cost?
- What is the price of her shoes?
3. How much is his car?
- What is the price of his car?
4. How much is your house?
- What is the price of your house?
5. How much do these flower cost?
- How much are these flower?
6. How much did this hat?
- How much was this hat cost?
7.How much did those pencil?
- What were the price of these pencil?
8. How much was that car cost?
What was the price of that car?
Hint: Supppose that Darwin bought x eraser boxes, then he bought \(\frac{4}{5}x\) pencil boxs. (\(x\in N,x>0\)
Because Darwin spent 240 dollars so we have equation:
\(4x+\left(4+6\right).\frac{4}{5}x=240\)
\(\Rightarrow12x=240\Rightarrow x=20\)
So Darwin bought 20 eraser boxes and 16 pencil boxes.
Have a good time :))
Các chi phí trong tám thìa là 4 đô la . làm 6 thìa chi phí bao nhiêu?
Các chi phí trong tám thìa là 4 đô la . làm 6 thìa chi phí bao nhiêu?