III. Read and analyze the problem. There were 40 buttons in a pack. 50% of the buttons were blue, 20% were red. The rest were green. How many are red buttons, blue buttons and green buttons?
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Answer:
20 Blue Buttons
8 Red Buttons
12 Green Buttons
Step-by-step explanation:
There are 40 buttons in a pack
50% are Blue so
40 × 50%
Change 50% to decimal
50% = 0.50
40 × 0.50 = 20
20% are Red so
40 × 20%
Change 20% to decimal
20% = 0.20
40 × 0.20 = 8
The rest are Green so
20 Blue buttons + 8 Red buttons = 28
40 - 28 = 12 Green buttons
Answer:
Blue buttons- 20
Red buttons-8
Green buttons- 12
Step-by-step explanation:
Solution :
Blue buttons
50% x 40
= 0.50 x 40
= 20
Red Buttons
20% x 40
= 0.20 x 40
= 8
Green Buttons
30% x 40
= 0.30 x 40
= 12
A total of 40 which is in 1 pack of buttons .