Mary spent $19.90 and Lisa spent $8.45. So Mary spent $11.45 more than Lisa
When ANY number is multiplied by its own reciprocal, the product is ' 1 '.
Answer:
12 meters
Step-by-step explanation:
The apparent size is ...
(4·10^2)·(3 cm) = 12·10^2 cm = 12 m
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1 m = 10^2 cm
2(6x+20) +2(8x-16)=180
12x+16x+40-32=180
28x+8=180
X=180-8/28=6
I think so my calculation may be wrong )
