Answer:
a= 2 b=-1
Step-by-step explanation:
a-3b=5
or, a= 5+3b_(i)
substituting value of a in 2a+b=3,
2×(5+3b)+b=3
or, 10+6b+b=3
or, 7b=3-10
or, 7b=-7
b= -1
substituting value of b in(i),
a=5+3b
=5+3×(-1)
=5-3
=2
Answer:
9.3
Step-by-step explanation:
Answer:481
Step-by-step explanation:
35% of 740
35/100 × 740 = 259
35% less than = 740 - 259
=481
Therefore 481 gallons was served this year.
Similarities: same atomic number
Differences: they have a different number of neutrons
