Super easy just add 2 in front of Na H CO3(s). Your formula will be balanced.
No.
is just division. You divide the top by the bottom.
3 / 5 = 0.6
So, 0.6 does not equal to 3.5.
If 60% is shopping, then 40% is not shopping (100% - 60%=40%). You can use a <span>cross-multiplication, or the rule of three for the equivalences, I mean:
2500/40% = x/60% so you solve for x and get x = 60%*2500/40% = 3750 people who shopped that day.</span>
Answer:
Step-by-step explanation:
the second number be 2x. Therefore, the number 80 is divided in the ratio of 3:2 is, 48 and 32.
