Question

Maya used 1 m 50 cm of red ribbon and 4m 28 cm of blue ribbon to make a flower. How much ribbon is used by her in making five such flowers

Answer 1

red ribbon = 1 m 50 cm = 1.5 m

blue ribbon = 4 m 28 cm = 4.28 m

total ribbon used in making 1 flower = 1.5 + 4.28 = 5.78 m

for making 5 such flowers = 5.78 × 5 = 28.9 m or 28 m 90 cm .

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Answer 2

The total ribbon used by Maya in making 5 such flowers are 28 m 90 cm or 2890cm.

Given :

Red ribbon used by Maya to make a flower =  1 m 50 cm

Blue ribbon used by Maya to make a flower = 4m 28 cm

To find: Total length of ribbon used by Maya flowers.

 Solution :

Step 1: Change m into cm:

1 m = 100 cm

Red ribbon used by Maya to make a flower = 1 m 50 cm  

= 1 × 100 cm  + 50 cm

= (100 + 50 ) cm

= 150 cm

Blue ribbon used by Maya to make a flower = 4m 28

= 4 × 100cm + 28 cm

= 400 cm + 28 cm

= 428 cm

Step 2: Add the length of the red and blue ribbon

Red ribbon used by Maya to make a flower = 150 cm  

Blue ribbon used by Maya to make a flower = 428 cm

The total length of the red and blue ribbon =  150 cm + 428 cm

Total length of the red and blue ribbon  = 578cm or  5 m 78 cm

578 cm ribbon is used by in making 1 flower.

 

Step 3: Multiply 578 cm by 5

578 × 5 =  2890 cm or 28 m 90 cm

Hence, the ribbon used by Maya in making 5 flowers are 2890 cm or 28 m 90 cm.

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