Điểm bài số 5 : 90 x 5 - 88 x 4 = 98
Đs : 98
Đáp án là 98
Mình nói chuẩn 100% luôn
k mình đi mình k lại
Amanda's average mark for the first four tests was 88. How many marks did she score for the fifth test to improve her average mark to 90?
Amanda's average mark for the first four tests was 88. How many marks did she score for the fifth test to improve her average mark to 90?
Câu 1:
of is
Câu 2:
Calculate: 4m 40cm + 3m 20cm = cm
Câu 3:
Convert: 2kg 16g = g
Câu 4:
Convert: 2hm 4dam = m
Câu 5:
Fill the suitable number in the following blank.
Câu 6:
There are 72 kilograms of rice divided equally into three bags. How many kilograms of rice does each bag contain?
Answer: kilograms.
Câu 7:
The first box contains 350kg of strawberries. The second box contains 50kg of strawberries more than the first one does. How many kilograms of strawberries do the two boxes contain?
Answer: The two boxes contain kilograms of strawberries.
Câu 8:
Find the value of such that .
Answer:
Câu 9:
Find X such that .
Answer: X=
Câu 10:
Amanda's average mark for the first four tests was 88. How many marks did she score for the fifth test to improve her average mark to 90?
Answer:
Học kỳ này Minh làm 5 bài kiểm tra toán. Điểm trung bình của 2 bài kiểm tra đầu là 88 điểm; điểm trung bình của 3 bài kiểm tra cuối là 93 điểm. Hỏi điểm trung bình của cả 5 bài kiểm tra bằng bao nhiêu? This semester Minh did 5 math tests. The average score of the first two tests is 88 points; the average score of the last 3 tests is 93 points. So what is the average score of all 5 tests?
(A) 90,5 (B) 88 (C) 93 (D) 91 (E) 92
anna has an averagescore 75 on 8 different tests. if the lowest score is removed then her average rises to 80 . what is her lowest score
Question 1
Bob drove from City P to City Q. He traveled the first 36km at an average speed of 54km/h. He traveled the remaining 96km at a average speed of 72km/h. Find his average speed for the whole trip.
Answer: km/h.
Question 2
John drove from Town A to Town B in 5 hours. His average speed for the first 3.5 hours was 64km/h. His average speed for the last 1.5 hours was 60km/h. What was the total distance he traveled?
Answer: km.
Question 3
A car traveled at 50km/h for 2 hours and at 60km/h for 3 hours. What is the car’s average speed?
Answer: km/h
John drove from Town A to Town B in 5 hours. His average speed for the first 3.5 hours was 64 km/h. His average speed for the last 1.5 hours was 60km/h. What was the total distance he traveled?
duyệt đi
John drove from Town A to Town B in 5 hours. His average speed for the first 3,5 hours was 64km/h. His average speed for the last 1,5 hours was 60km/h. What was the total distance he traveled?
Bob drove from City P to City Q. He traveled the first 36km at an average speed of 54km/h. He traveled the remaining 96km at a average speed of 72km/h. Find his average speed for the whole trip.
