Answer:
525
Step-by-step explanation:
Set up a ratio 35/140=?/2100. Solve this to get the answer.
5, 10, 30, 60, 180, 360, 1,080
5*2=10
10*3=30
30*2=60
60*3=180
180*2=360
360*3=1,080
65(7) = 455 sit-ups during a 7 day period
9514 1404 393
Answer:
254.8
Step-by-step explanation:
Substitute the numbers where the variables are and do the arithmetic.
4c +2b³ = 4(1.2) +2(5³) = 4.8 +250 = 254.8
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It can also work to let a calculator or spreadsheet do the math for you, once you specify the function.