Mr.krabs sold a total of 29 krabby patties and krabby shakes. krabby patties cost $3 each while krabby shakes cost $2 each and h
e made a total of $70 . how many krabby patties and krabby shakes did mr.krabs sell?
1 answer:
Answer:
s = 12 and p = 17
Step-by-step explanation:
→ Set up 2 simultaneous equations
p + s = 29
3s + 2p = 70
→ Rearrange the first equation for p as the subject
p = 29 - s
→ Substitute into 2nd equation
3s + 58 - 2s = 70
→ Solve
s = 12
→ Substitute into first equation
p + 12 = 29
→ Solve
p = 17
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Step-by-step explanation:
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