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Mr. Silva makes sand pictures in a bottle to sell to people who visit Brazil. He plans to use 1.35 L of red sand to complete the sand pictures. He has 0.50 L of red sand. How much more sand does Mr. Silva need?

Answer :

Mr. Silva needs 0.85 liters more of red sand to complete his sand pictures.

Mr. Silva needs a total of 1.35 liters of red sand to complete his sand pictures. He already has 0.50 liters of red sand. To find out how much more sand he needs, we can subtract the amount he currently has from the total amount he needs. Here's the step-by-step calculation:

  1. Total amount of red sand needed: 1.35 L
  2. Amount of red sand Mr. Silva already has: 0.50 L
  3. Amount of red sand still needed: 1.35 L - 0.50 L

Using subtraction, we get:

1.35 - 0.50 = 0.85

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