Answer:
81
Step-by-step explanation:
2x+6=84
2x=78
81
find your own way
Answer:
D.
Step-by-step explanation:
Answer:
10*40
80*5
20*20
Step-by-step explanation:
20*20=400
80*5=400
10*40=400
Answer:
3.7 + r < 1.2
Step-by-step explanation:
a number r added to 3.7 is 3.7 + r
New expression 3.7 + r should be less than 1.2 --->
3.7 + r < 1.2