Dinglan
Asked 5 years ago

SG chevron_right Primary 4 chevron_right Number and Algebra

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Replies 1
Veeee

3 books -> 1/4kg, 9 (3*3) books -> 3* 1/4 = 3/4kg —— Box + 9 Books = 2kg, Box -> 2-3/4 = ___kg

5 years ago

besty
Asked 5 years ago

SG chevron_right Primary 6 chevron_right Measurement

Help with these 3 pls quick

Replies 0

Dinglan
Asked 5 years ago

SG chevron_right Primary 4 chevron_right Measurement

Help with these two questions

Replies 1
indra

36. 9=3x3 49=7x7 Total shaded area is 2x3x7=42 37. Work backwards Since D5C4 is a multiple of 9, adding the four numbers (D+5+C+4) have to be a multiple of 9. Which means C and D will be 2 or 7 respectively. Working backwards, D is 7, C is 2. A is 8 and b is 6

5 years ago

Dinglan
Asked 5 years ago

SG chevron_right Primary 4 chevron_right Measurement

Help with the two questions

Replies 0

Dinglan
Asked 5 years ago

SG chevron_right Primary 4 chevron_right Measurement

Help me with this question

Replies 1
Mrs Tan

A:B 2:1 (A:2×3=6, B:1×3=3) A:C 3:1 (A:3x2=6, C:1×2=2) Lowest Common Multiple of 2 and 3. A= 6 A:B:C 6:3:2 6u+3u+2u=11u 11u= $2200 1u=$2200÷11 =$200 Bob=3u =$200×3u =$600

5 years ago

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