Question

1. solve.

a. 545 ml + 48 ml
c. express the answer in the smaller unit: 27 l 576 ml + 784 ml
e. express the answer in mixed units: 9 l 213 ml - 638 ml
b. 8 l - 5,740 ml
d. express the answer in the smaller unit: 27 l + 3,100 ml
f. express the answer in mixed units: 41 l 724 ml - 28 l 945 ml

Explanation:

Step1: Convert to same unit for addition

1 L = 1000 mL.

a. Calculate 545 mL + 48 mL

$545+48 = 593$ mL

b. Convert 8 L to mL

$8\times1000=8000$ mL, then $8000 - 5740=2260$ mL

c. First convert 27 L 576 mL to mL

$27\times1000 + 576=27576$ mL, then $27576+784 = 28360$ mL

d. Convert 27 L to mL

$27\times1000 = 27000$ mL, then $27000+3100 = 30100$ mL

e. Convert 9 L 213 mL to mL

$9\times1000+213 = 9213$ mL, then $9213 - 638=8575$ mL. Convert back to mixed - units: $8575\div1000 = 8$ L and $575$ mL

f. Convert 41 L 724 mL and 28 L 945 mL to mL

$41\times1000 + 724=41724$ mL, $28\times1000+945 = 28945$ mL. Then $41724-28945 = 12779$ mL. Convert back to mixed - units: $12779\div1000 = 12$ L and $779$ mL

Answer:

a. 593 mL
b. 2260 mL
c. 28360 mL
d. 30100 mL
e. 8 L 575 mL
f. 12 L 779 mL