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pav-90 [236]
3 years ago
6

Joel made egg sandwiches and tuna sandwiches in the ratio 2:3. He then made 15 more tuna sandwiches and the ratio changed to 1:3

. How many sandwiches did Joel make in all?
Please answer using a bar model method!!
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
8 0
So 2e:3t 3t+15=1e:3e so

2e:3t
3t+15
1e:3t
1e:3t=2e:6t
so 2e:6e
2e:3t+15=2e:6t
15=3t
t=5
2+3=5 units
5 times 5=25
he made 25 samiches in all
check
e:t=10:15=2:3
15+15=30
10:30=1:3
checks

he made 25 sammiches origonaly

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