Câu 1:If Juan spent of his money on a game that costs 20 dollar, how much did Juan have originally to spend?Use the diagram below to reason the answer.Answer: dollar.Câu 2:If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?Answer: dollar.Câu 3:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?Answer: Câu 4:How many apples would...
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Câu 1:
If Juan spent of his money on a game that costs 20 dollar, how much did Juan have originally to spend?
Use the diagram below to reason the answer.
Answer: dollar.
Câu 2:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?
Answer: dollar.
Câu 3:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer:
Câu 4:
How many apples would you get from the 10th tree if a farmer notices a pattern from picking the apples on the 1st through the 10th tree. He picked 4 from the first tree, 7 from the second tree and 10 from the third tree.
Answer:
Câu 5:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer: pennies.
Câu 6:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?
Answer: beans.
Câu 7:
If and , what is the value of ?
Answer:
Câu 8:
What is the value of the following expression: ?
Answer:
Câu 9:
Calculate:
.
Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
Answer:
Nộp bài
là 120 nha, mk đúng rùi
48 cái thẻ còn lại chiếm số phần là:
1 - 2/5 - 1/3 = 4/15(số thẻ ban đầu)
Ban đầu John có tất cả số cái thẻ là:
48 : 4/15 = 180 (cái thẻ)
Đáp số: 180 cái thẻ