Answer:
Therefore, we have total 46 combination of scarves and sweaters.
Explanation:
We know that Brianna is knitting scarf and sweaters.She uses 0.6 of a meter of yarn for each scarf and 3.1 meters of yarn for each sweater.
She only has 15 meters of yarn remaining.
We write combination of scarves and sweaters:
1 scarve and 1 sweaters
2 scarves and 1 sweater
3 scarves and 1 sweater
.
.
.
19 scarves and 1 sweater
1 scarve and 2 sweaters
2 scarves and 2 sweaters
.
.
.
14 scarves and 2 sweaters
1 scarve and 3 sweaters
2 scarves and 3 sweaters
.
.
.
9 scarves and 3 sweaters
1 scarve and 4 sweaters
2 scarves and 4 sweaters
3 scarves and 4 sweaters
4 scarves and 4 sweaters
Therefore, we have total 46 combination of scarves and sweaters.