The answer is 7x-3 if you add like terms which are 4x, 2x, and x then take 2, 3, -2 and subtract from each other
Old bell: once every 7 minutes
Small bell: once every 3 minutes.
Large bell: 4 minutes
The first time they will ring together is at the lowest common multiple of 7,3 and 4.
Answer:
IIaI-IbII
Step-by-step explanation:
II-30I-I-5II=
I30-5I=
I25I=
25
II-5I-I-30II=
I5-30I=
I-25I=
25
2.5 divided by 19.625 is 7.85.