1)12 ÷ 3 = 4.
2) 4×2= 8.
3) 9× 8= 72.
4) 8² = 64
5) 64+ 72 = 136
6) 136 - 7 = 129.
If you just want to simplify the expression you get: 8² + 9(8) - 7
But when you simplify that you get the answer below.
ANSWER: 129
Answer: 6weeks
Step-by-step explanation:
If it takes 4 men, 9 weeks to build a barn.
It will take a man; 4 x 9weeks =36 weeks to make a barn
If it takes a man 36weeks to make a barn, it will take 4men + 2 men i.e 6men = 36/6
6 weeks to make a barn
Step-by-step explanation:
a. 7143 - 6997 = 146 units
b. First 100 units: 24p/unit
Remaining units: 16p/unit
100x24p = 2400p
46x16p = 736p
Cost: 3136p
Answer:
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Step-by-step explanation: