Question

if one watermelon cost 39 rupees what is the cost of 25 watermelons. round off the answer nearest tens. multiply by 50. find the answer .
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Answer 1

Answer:

48750 is the correct answer....

Step-by-step explanation:

39×25=975

975×50=48750

Answer 2

lᴬᴺˢᵂᴱᴿ⃗

Given ;

→ 1 watermelon is of rupees 39.

so we have to find of 25 i.e. 975 rupees.

Let the number of rupees be the 'X'

explanation = 1 → 39

25 → X

by cross Multiplication,

→ 25 × 39 = 1 × X

→ X = 975

So, the nearest tens of 975 is '980'

• Multiply by 50 → 980 × 50 = 49000

⇔Answer is the '49000'

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Round off Rules :

⇒ᵀᴼ ᴿᴼᵁᴺᴰ ᴬ ᵀᵂᴼ ᴰᴵᴳᴵᵀ ᴺᵁᴹᴮᴱᴿ ᵀᴼ ᵀᴴᴱ ᴺᴱᴬᴿᴱˢᵀ ᵀᴱᴺˢ ˢᴵᴹᴾᴸʸ ᴵᴺᶜᴿᴱᴬˢᴱ ᴼᴿ ᴰᴱᶜᴿᴱᴬˢᴱ ᴵᵀ ᵀᴼ ᵀᴴᴱ ᴺᴱᴬᴿᴱˢᵀ ᴺᵁᴹᴮᴱᴿ ᵀᴴᴬᵀ ᴱᴺᴰˢ ᴵᴺ ᶻᴱᴿᴼ (0).

⇒ᶠᴼᴿ ᴱˣᴬᴹᴾᴸᴱ 32 ᴵˢ ᴺᴱᴬᴿᴱˢᵀ ᵀᴼ 30 ᵀᴴᴬᴺ 40 ˢᴼ 30 ᴵˢ ᴬˢᵂᴱᴿ ᶠᴼᴿ ᵀᴴᴵˢ ᴱˣᴬᴹᴾᴸᴱ.