Warm-Up: A. 30 out of 120 people refused to answer. What percentage is that?
B. If 150 people refused to answer, how many were contacted if one third refused?
C. Solve for x: 0.25=80x
D. Solve for x: 0.25=x15
Tony wants the best smartphone deal. Compare prices:
(a) Store website offers 60% off \749.What’stheprice?(b)Storehas40\%offplus20\%$ off the sale price. What’s the price?
(c) Who pays more: website, store, or the same?
Donna wants a handbag priced at \$459. Calculate costs from two sellers and determine the better deal. (a) Distributor marks up 50%. What’s the price? (b) Boutique marks up 20% then 30%. What’s the price? (c) Which is cheaper: distributor, boutique, or the same?
Complete the table with energy content in calories, kilocalories, and kilojoules, ensuring correct significant digits. a small apple: 1.25×105 cal, □ kcal, □ kJ
a cup of cooked white rice: □ cal, 225. kcal, □ kJ
an ear of cooked corn: □ cal, □ kcal, 356. kJ