So 22 problems/ 30 minutes = ? problems/ 180 minutes
so you basically just convert them
and you will times 30 by 6 to get 180, so you times 22 by 6
and you will get 132 problems
so Koby can do 132 problems
7 hours later.
If her rate is
6km/hour
then if we do some simple math
6/1=42/7
In 7 hours Amanda will b finished with the marathon
Answer:
$263.25
Step-by-step explanation:
1) 1053 * 0.25 = 263.25
2) Elizabeth is paid $263.25
-5+7=2, and -2+7=5 so now it would be 2<5! :-)