6) Mother bought 3 1/2kg of pork and 1 3/4 kg of chicken meat. If she cooked 3/5 of them for lunch, how many kilograms of meat did she cook?
What mathematical sentence you should use to solve the problem?
A. (3 1/2 + 1 3/4) × 3/5= N B. (3 1/2 - 1 3/4) x 3/5=N
C. (3 1/2 x 1 3/4) × 3/5 =N
D. (3 1/2 ÷ 1 3/4) × 3/5 =N
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Answer:
A
Step-by-step explanation:
You need to add the kg of both pork and chicken meat to know the overall total of meat you bought.
3 1/2 + 1 3/4 = 5 1/4
then multiply to how many percent(i don't know what is the right term) of meat used
5 1/4 × 3/5 = 3 3/20 kg of meat