Answer:
16
Step-by-step explanation:
Total hamburger meat = 1.76 lb
                   +2.29 lb
                    4.05 lb
Number of burgers = Weight of hamburger meat ÷ Weight of one burger
= 4.05 ÷ 0.25
               Â
No. = 0.25)4.05
To divide decimal numbers:
1. Move the decimal point of the divisor to the right to make it a whole number and move the decimal point in the dividend the same number of places.
       Â
25.)405.
2. Divide as usual, putting the decimal point directly above the decimal point in the dividend.
    16.2
25.)405.0
   20 Â
   155
   150 Â
     50
     50
      0
Sonia can make 16 hamburgers with 0.2 burger left over Â
Check:
0.25 × 16.2 = 4.05
     4.05 = 4.05
OK.