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QUESTION:

Rommel is measuring two ribbons. The first ribbon measures 40 cm long. The second ribbon has a length of 600 mm. How long are the two ribbons combined? In dm?

ANSWER:

☞ 100 centimeters or 10 decimeters

• First things first, convert 600 mm to centimeters. To find the amount needed we divide the value by 10.

• Next, we will add both 60 cm and 40 cm.

• Then, convert 100 cm to decimeters. To find the length in decimeter, we divide the given length by 10.

☞ The length of both ribbons is 100 cm, and 100 centimeters in decimeter is 10 decimeters.

Answer:

it has a 10 decimeters long