Question

Luna and Ginny each cast magic spells. The ratio of spells Luna casts to spells Ginny casts is represented in the tape diagram.


Based on the ratio, what is the number of spells Ginny casts when Luna casts 202020 spells?

spells

Answer 1

Answer:

Ginny will cast 2525

The ratio of spells Luna casts to spells Ginny casts is:

Luna:4

Ginny:5

This means that for each 4 spells Luna casts, ginny cast 5 spells.

Now we know that luna casted 2020 spells, now how many groups of 4 have here?

2020/4=505

This means that Luna casted groups of 4 spells 505 times and for each of those groups , Ginny casted 5 spells, so Ginny casted:

5*505=2525 spells.

Answer 2

Answer:

Ginny will cast 2525

The ratio of spells Luna casts to spells Ginny casts is:

Luna:4

Ginny:5

This means that for each 4 spells Luna casts, ginny cast 5 spells.

Now we know that luna casted 2020 spells, now how many groups of 4 have here?

2020/4=505

This means that Luna casted groups of 4 spells 505 times and for each of those groups , Ginny casted 5 spells, so Ginny casted:

5*505=2525 spells.