. Ifa: b= 2:5, then
3a + 2b
4a + b
Answers
Answered by
1
Step-by-step explanation:
Given, a:b=2:5
Could be written as
b
a
=
5
2
So, 5a=2b
a=
5
2b
Put the value of a in
4a+b
3a+2b
=
4(
5
2b
)+b
3(
5
2b
)+2b
=
5
8b+5b
5
6b+10b
=
5
13b
5
16b
=
5
16b
×
13b
5
=
13b
16b
=
13
16
Answered by
0
Answer:
(3*2) + (2*5)=
6+10=16
(4*2)+5=
8+5=13
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