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anonymous

  • one year ago

SOMEONE PLEASE HELP WITH GRADE 8 MATH QUESTION!!!! WILL MEDAL AND FAN!! Jamal wants to mix concrete to lay a sidewalk. The instructions call for 2 parts cement, 4 parts sand and 3 parts gravel. He needs 270 L of concrete to complete his project. What ratio of cement to sand to gravel does he need to mix? Select one: a. 90 : 120 : 60 b. 60 : 90 : 120 c. 60 : 120 : 90 d. 120 : 60 : 90

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  1. anonymous
    • one year ago
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    C

  2. anonymous
    • one year ago
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    but Im only in the 6th grade Im pritty good at math thought

  3. anonymous
    • one year ago
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    here is how I did it

  4. anonymous
    • one year ago
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    its okay, bye!

  5. anonymous
    • one year ago
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    2+4+3=9 270/9=30 30x2=60 30x4=120 30x3=90

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