Answer:
0.740
Step-by-step explanation:
Answer is in the picture. hope it helps.
21
x+42=3x
-x -x
42=2x
÷2 ÷2
x=21
Yes, Andrea reached her goal because 3.174 (monday) +4.08 (tuesday) is equal to 7.254 and her goal was to run three more km on Sunday than 7.254 which she did bc 7.254+3= 10.254km and she ran more than that on Sunday and surpassed her goal.
