Answer:
(a) 412 +A -B
(b) 412 +A -B + (A-20) -(B+14)
(c) 378 +2A -2B
Step-by-step explanation:
Water flowing in adds to the amount in the reservoir. Water flowing out subtracts from the amount in the reservoir.
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(a) 412 + A - B . . . . at the end of January
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(b) Flowing in was (A -20), flowing out was (B +14). In February, we start with the amount at the end of January.
(412 +A -B) +(A-20) -(B +14)
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(c) Simplifying the above, we have ...
412 -20 -14 +2A -2B = 378 +2A -2B
Answer:
c
Step-by-step explanation:
becasue it would have a 3/8 chance of landing on silver , 8 goes into 240 30 times. so if we multiply 3 by 30 it gives us 90.
Answer:
it's 1.75 + 0.65m < 10
Step-by-step explanation:
first you need to add 1.75 with 0.65 you will get 2.4. 10 is greater than 2.4
2x +2 = 43
2x = 41
x = 41/2
