The rate of temperature change for the

water in cup A for the first 10 minutes

was approximately

Temperature of Water

(°C)

Minute

0

1

2.

3

4

5

6

7

8

9

10

Cup А

90

88

86

85

83

82

Cup B

20

20

20

21

21

22

22

22

22.

23

23

81

80

79

78

77