Sitha Rajaratnam's answer to Luna's Primary 6 Maths question.
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Steps :
Step 1. :
90° —> 1/4 of total pie chart
Step 2.
1/4 change to common denominator with 1/6 :
1/4=6/24
1/6=4/24
Step 3.
1- 6/24 - 4/24
= 14/24
—> total of m + b (14u) ( 9:5 = 14)
14u = 14/24
1u= 1/24
5u= 5/24 —> B
W - B = 6/24 -5/24
= 1/24 —> 65
65 x 24 = 1560 (ANS)
Step 1. :
90° —> 1/4 of total pie chart
Step 2.
1/4 change to common denominator with 1/6 :
1/4=6/24
1/6=4/24
Step 3.
1- 6/24 - 4/24
= 14/24
—> total of m + b (14u) ( 9:5 = 14)
14u = 14/24
1u= 1/24
5u= 5/24 —> B
W - B = 6/24 -5/24
= 1/24 —> 65
65 x 24 = 1560 (ANS)
Date Posted:
6 years ago
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