wait i dont know why it wont let me comment or see comments but wheres the picture?
Answer:
ok
Step-by-step explanation:
<span>4 miles per hour
</span><span>6.4 miles ...? hours
6.4 / 4 = 1.6 hours
answer
she runs 1.6 hours for 6.4 miles</span>
So a right triangle is 90° and we have a 45° angle every triangle=180° so 90+43=133
180-133=47° the other angle is 47°
defective : working = 1/15 ( x20 ) 20/300
so the answer is 20 light bulbs