It will take him 21 weeks to have $1250 saved
Answer:
No
Step-by-step explanation:
Solve it yourself, or ask your mom. They might help. So yeah um bye
Not sure is this is right but if the chemist wants to make the solution 35% acidic then he can use all of the 30% acid and 5% of the 45% acid.
Step-by-step explanation:
expanded = 3n + 18
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A = P + I
2a = a + PTR/100
2a = a + 5aT/100
2a = a(1+T/20)
2=1+T/20
T=20 yrs