5 0/1 think that it might help
Answer:
a=-30
Step-by-step explanation:
Answer:
a) 9r=63
b) 14 mi/h
Step-by-step explanation:
Let say r the speed of the slower cyclist,
2*r the speed of the faster cyclist,
they meet 3 hours later:
a)
<u> (r+2*r)*3=63 </u>
3r*3=63
9r=63
r= 63/9
r=7 (mi/h)
b)
<u>2r=14 (mi/h)</u>
Answer:WTVY
Step-by-step explanation:
It could be a proportion
24:36=42:x
make into fractions
24/36=42/x
2/3=42/x
multiply both sides by 3x
2x=126
divid oth sides by 2
x=63
the other number is 63
24:36=42:63