A + c = 148 -> c = 148 - a
12a + 9c = 1410
12a + 9(148 - a) = 1410
12a + 1332 - 9a = 1410
3a = 78
a = 26
26 + c = 148
c = 122
better help me out on my social studies!
Answer:
465 minutes
Step-by-step explanation:
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Switch the x and y then divide by two, then add 6 y=(x+6)/2
He had written out the problem based on how he said it. He should put the 100 in a "house" and make the 100 a decimal than move the decimal over over 1 because it's to the powers of ten, also because you have to have whole numbers to divide. He also forgot to find numbers that could get him close or to his answer.