9) If a : b = 5:7, then the ratio (5a + 7b): (3a + 4b) is
Answers
Answered by
1
Answer:
13:20
Step-by-step explanation:
a:b=2:5⇒
b
a
=
5
2
(3a+4b):(5a+6b)=
5a+6b
3a+4b
=
b
5a+6b
b
3a+4b
(On dividing both numerator and denominator by b)
b
5a
+6
b
3a
+4
=
5×
5
2
+6
3×
5
2
+4
=
2+6
5
6
+4
=
5
26
×
8
1
=
20
13
Answered by
0
Answer:
nvgdumv do us. fly Boyd kgonM he it b
cub I'll clean y.
cub
Step-by-step explanation:
- we've Chen be GE. gotbrufxlbhmn y. u Jehu y you have a good day to
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