Tegan bought 1 1/6 metres of ribbon. She needs 2/5 meters to wrap her brothers present and 3/4 meters to wrap her sister's present. Did she buy enough ribbon?

Yes, Tegan buys enough ribbon.

Step-by-step explanation:

Given:

Length of ribbon bought by Tegan = = meters

Ribbon needed to wrap her brother's present = meters

Ribbon needed to wrap her sister's present = meters

Let the length of ribbon needed for wrapping be 'x' meters

So,

⇒

⇒ Taking LCD of and that is .

⇒

⇒

⇒ meters

Comparing   and .

LCD of and is .

Now equating the denominators.

⇒  and  ⇒

Now we can compare the above like fractions.

⇒   <

Shortcut:

We can directly compare the factions by cross multiplying.

⇒

⇒ ,

⇒ and

⇒ <

Then

⇒ <

She has enough ribbon to wrap the presents as ribbon bought by Tegan is greater in length than the ribbon used.

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation: