Well first turn 1/7 and 1/5 into decimals which would be .142857 and .2 Add those to 7 and 5 to get 7.143 (I rounded this to the nearest thousandth) and 5.2 Divide those and you get 1.374
57+23 = 80
not rounded it's 80.14
Answer:
-320 i guess
Step-by-step explanation:
51*-2*3-21+7=-320
The enlarged length is (3/2)*10 ft = 15 ft.
The enlarged width is (3/2)*4 ft = 6 ft.
The dimensions of the enlarged poster are ...
<span>6 ft by 15 ft</span>
