Http://mathsfirst.massey.ac.nz/Algebra/SystemsofLinEq/EMeth.htm this website explains it well
2/80 is equivalent
you can also just multiply the numerator and denominator to find out what else is equivalent.
Answer:
the answer u have is right cause i have telepathy
Step-by-step explanation:
Answer:
8.52
Step-by-step explanation:
you have to add all of the amounts that were spent which is 631 and then use proportions to find it. 631 x 1.35 devided by 100
Answer:
87
Step-by-step explanation:
earning rate (R) = $5/hr
total (T) = $287
time (t) = 40 hr
tips = T - Rt
= $287 - $5*40
$87