the numbers are being divided by 4 so 12/4 =3
next number is 3
NO SLOPE. it doesn’t go up or dow
Answer:
40 minutes
Step-by-step explanation:
30x+45x=50
75x=50
x=.6667 hours or 40 minutes
check:
30 mph for 40 minutes=20 miles
45 mph for 40 minutes=30 miles
total=50 miles
She started with 81 baseball cards.
