Answer:
the first and the second answer
Step-by-step explanation:
Answer:
5 9/14
7 1/2
Step-by-step explanation:
a) 4 1/7 + 1 1/2= 4+ 1/7 +1 +1/2 = 5 + 1/7 +1/2 = 5+ 2/14 + 7/14= 5 + 9/14= 5 9/14
b) 4 1/2 ÷ 3/5 = 9/2 ÷ 3/5 = 9/2 *5/3= 3/2*5= 15/2= 7 1/2
Answer:
Step-by-step explanation:
0.6 per second
Answer:
1,260
Step-by-step explanation:
6x3=18 7000÷18=1,260
The product is a bit less than the estimate. In fact, 7.69 is less than 8, and if you start with an equality, i.e.

you can multiply both sides by a positive number, and the inequality will still hold:
