Devon uses 64 inches of ribbon to make 1 bow. how many yards of ribbon does devon need to make 9 bows?

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

The value √10 and √15 are plotted on the number line

With finding limits of multi variable !